Composition comprising iodofluorocarbon compound

Abstract

To provide a composition comprising a pure iodofluorocarbon compound, which is an important synthetic intermediate for the manufacture of pharmaceutical products, phytosanitary products, extinguishers, and products for treating various substrates, in particular substrates intended for electronic applications, and which also has applications in the field of refrigeration and in air-conditioning devices.SOLUTION: The composition comprises at least 99.5 wt.% of an iodofluorocarbon compound A and at most 0.5 wt.% of at least one compound B selected from water, HF, HI, IF5, I2, O2, CO2, CO and nitrogen; the iodofluorocarbon compound A being of formula (I) (R1)(R2)C(I)(R3) or of formula (II) (R1)(R2)C=C(I)(R3).SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to compositions containing iodofluorocarbon compounds. In particular, the present invention relates to compositions containing iodofluoroalkane compounds. The present invention also relates to compositions containing iodofluoroolefin compounds. The present invention also relates to refrigerants, solvents, foaming agents, aerosol propellants, fire extinguishing agents, desiccants for removing moisture adsorbed on the surfaces of solid parts, and degreasing and cleaning agents for various surfaces, particularly as precision cleaners. [Background technology]

[0002] Given the reactivity of the iodine atom, iodofluoro compounds are important synthetic intermediates for the production of pharmaceuticals, phytosanitary products, fire extinguishers, and products for treating various materials, especially those for electronics applications.

[0003] Iodofluoro compounds also find application in the field of refrigeration and in air conditioning systems. Compositions comprising CF3I and HFC-152A, intended for use in refrigerant compositions, refrigeration systems, blowing agent-based compositions, aerosol propellants, etc., are known from WO 2006 / 112881.

[0004] These various fields of application require the use of particularly pure compounds, and it is an object of the present invention to provide compositions suitable for use in these applications. Summary of the Invention

[0005] According to a first aspect, the present invention provides a composition comprising at least 99.5% by weight of an iodofluorocarbon compound A and up to 0.5% by weight of at least one compound B selected from water, HF, HI, IF, I, O, CO, CO and nitrogen or mixtures thereof; the iodofluorocarbon compound A is represented by formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R 2 )C=C(I)(R 3)(wherein, R 1 , R 2 and R 3 are, independently of one another, C1-C optionally substituted by H, F, I, at least one fluorine or iodine atom; 10 alkyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 Cycloalkyl groups, C2-C optionally substituted with at least one fluorine or iodine atom 10 Alkenyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 a cycloalkenyl group and a C6-C optionally substituted with at least one fluorine or iodine atom; 10 aryl groups; 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom, and iodofluorocarbon compound A is not CF3I.

[0006] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 0.1% by weight, preferably at most 0.05% by weight, of at least one compound B.

[0007] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of water, preferably at most 100 ppm of water, in particular at most 10 ppm of water.

[0008] In the present invention, the term ppm means ppm by weight.

[0009] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm HI, preferably at most 100 ppm HI, in particular at most 10 ppm HI.

[0010] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm HF, preferably at most 100 ppm HF, in particular at most 10 ppm HF.

[0011] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of IF5, preferably at most 100 ppm of IF5, in particular at most 10 ppm of IF5.

[0012] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm I2, preferably at most 100 ppm I2, in particular at most 10 ppm I2.

[0013] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm O2, preferably at most 100 ppm O2, in particular at most 10 ppm O2.

[0014] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm CO2, preferably at most 100 ppm CO2, in particular at most 10 ppm CO2.

[0015] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm CO, preferably at most 100 ppm CO, in particular at most 10 ppm CO.

[0016] According to a preferred embodiment, the composition comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of nitrogen, preferably at most 100 ppm of nitrogen, in particular at most 10 ppm of nitrogen.

[0017] According to a preferred embodiment, the compound A is of formula (I) or (II) (wherein R 1 , R 2 and R 3 are each independently H, F, I, C1-C5 perfluoroalkyl group, C5-C 10 Perfluorocycloalkyl groups, C2-C5 perfluoroalkenyl groups, C5-C 10 Perfluorocycloalkenyl group, C6-C 10 perfluoroaryl groups; 1 , R 2 or R 3 is F or a group as defined herein containing at least one fluorine atom; and provided that iodofluorocarbon compound A is not CF3I.

[0018] According to a preferred embodiment, the compound A is of formula (I) or (II) 1 , R 2 and R 3 are independently H, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 5; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 is a fluorine atom, and iodofluorocarbon compound A is not CF3I.

[0019] According to a preferred embodiment, the compound A is selected from the group consisting of CH2FI, CHF2I, CH2F-CH2I, CHFI-CH3, CFI=CH2, cis-CHF=CHI, trans-CHF=CHI, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CH2F-CHFI, cis-CFI=CHF, trans-CFI=CHF, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CH3-CHF-CH2I, CH3-CFI-CH3, CH3-CF2-CH2 I, CH2=CF-CH2I, cis-CH3-CF=CHI, trans-CH3-CF=CHI, CH3-CH2-CHFI, CH3-CHI-CH2F, CH2=CH-CHFI, cis-CH3-CI=CHF, trans-CH3-CI=CHF, cis-CH3-CH=CFI, trans-CH3-CH=CFI, CH2F-CH2-CH2I, cis-CHF=CH-CH2I, trans-CHF=CH-CH2I, CH2F-CI=CH2, cis-CH2F-CH=CHI, trans-CH2F-CH=CHI, CH3-CHF-CHFI, CH 3-CFI-CH2F, CH3-CF2-CHFI, CH2=CF-CHFI, cis-CH3-CF=CFI, trans-CH3-CF=CFI, CH2F-CHF-CH2I, CH2F-CF2-CH2I, cis-CHF=CF-CH2I, trans-CHF=CF-CH2I, cis-CH2F-CF=CHI, trans-CH2F-CF=CHI, CH3-CH2-CF2I, CH3-CHI-CHF2, CH2=CH-CF2I, CH3-CI=CF2, CH2F-CH2-CHFI, CH2F-CHI-CH2F, cis-CHF=CH-CH FI, trans-CHF=CH-CHFI, cis-CH2F-CI=CHF, trans-CH2F-CI=CHF, cis-CH2F-CH=CFI, trans-CH2F-CH=CFI, CHF2-CH2-CH2I, CF2=CH-CH2I, CHF2-CI=CH2, cis-CHF2-CH=CHI, trans-CHF2-CH=CHI, CH3-CHF-CF2I, CH3-CFI-CHF2, CH3-CF2-CF2I, CH2=CF-CF2I, CH2F-CHF-CHFI, CH2F-CFI-CH2F, CH2F-CF2-CHFI,cis-CHF=CF-CHFI, trans-CHF=CF-CHFI, cis-CH2F-CF=CFI, trans-CH2F-CF=CFI, CHF2-CHF-CH2I, CHF2-CF2-CH2I, CF2=CF-CH2I, cis-CHF2-CF=CHI, trans-CHF2-CF=CHI, CH2F-CH2-CF2I, CH2F-CHI-CHF2, cis-CHF=CH-CF2I, trans-CHF=CH-CF2I, CH2F-CI=CF2, CHF2-CH2-CHFI, CF2=CH-CHFI, cis- CHF2-CI=CHF, trans-CHF2-CI=CHF, cis-CHF2-CH=CFI, trans-CHF2-CH=CFI, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CH2F-CHF-CF2I, CH2F-CFI-CHF2, CH2F-CF2-CF2I, cis-CHF=CF-CF2I, trans-CHF=CF-CF2I, CHF2-CHF-CHFI, CHF2-CF2-CHFI, CF2=CF-CH FI, cis-CHF2-CF=CFI, trans-CHF2-CF=CFI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF=CHI, trans-CF3-CF=CHI, CHF2-CH2-CF2I, CHF2-CHI-CHF2, CF2=CH-CF2I, CHF2-CI=CF2, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=C FI, CHF2-CHF-CF2I, CHF2-CFI-CHF2, CHF2-CF2-CF2I, CF2=CF-CF2I, CF3-CHF-CHFI, CF3-CFI-CH2F, CF3-CF2-CHFI, cis-CF3-CF=CFI, trans-CF3-CF=CFI, CF3-CH2-CF2I, CF3-CHI-CHF2, CF3-CHI-CF3, CF3-CI=CF2, CF3-CHF-CF2I, CF3-CFI-CHF2, CF3-CFI-CF3, CF3-CF2-CF2I.

[0020] According to a preferred embodiment, the compound A is CHF2I, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF=CH I, trans-CF3-CF=CHI, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=CFI, CF3-CHF-CHFI, CF3-CFI-CH2F, CF3-CF2-CHFI, cis-CF3-CF=CFI, trans-CF3-CF=CFI, CF3-CHF-CF2I, CF3-CFI-CHF2, CF3-CFI-CF3, CF3-CF2-CF2I.

[0021] According to a preferred embodiment, the compound A is CHFI2, CF2I2, CFI2-CH3, CH2F-CHI2, CHFI-CH2I, CHF2-CHI2, CF2I-CH2I, CFI2-CH2F, CHFI-CHFI, CF3-CHI2, CHF2-CFI2, CF2I-CHFI, CF3-CFI2, CF2I-CF2I, CFI2-CH2-CH3, CH2F-CI2-CH3, CH2F-CH2-CHI2, CHFI-CHI-CH3, CHFI-CH2-CH2I, CH2F-CHI-CH2I, CHI2-CHF-CH3, CH2I-CFI-CH3, CH2I-CHF-CH2I, CFI2-CH2-CH2F, CH2F-CI2-CH2F, CHFI-CHI-CH2F, CHFI-CH2-CHFI, CHF2-CI2-CH3, CHF2-CH2-CHI2, CF2I-CHI-CH3, CF2I-CH2-CH2I, CHF2-CHI-CH2I, CFI2-CHF-CH3, CH2F-CHF-CHI2, CHFI-CFI-CH3, CHFI-CHF-CH2I, CH2F-CFI-CH2I, CHI2-CF2-CH3, CH2I-CF2-CH2I, CHF2-CI2-CH2F, CHF2-CH2-CFI2, CF2I-CHI-CH2F, CF2I-CH2-CHFI, CHF2-CHI-CHFI, CF,3-CI2-CH3, CF3-CH2-CHI2, CF3-CHI-CH2I, CFI2-CHF-CH2F, CHFI-CFI-CH2F, CHFI-CHF-CHFI, CHF2-CHF-CHI2, CF2I-CFI-CH3, CF2I-CHF-CH2I, CHF2-CFI-CH2I, CFI2-CF2-CH3, CH2F-CF2-CHI2, CHFI-CF2-CH2I, CHF2-CI2-CHF2, CF2I-CHI-CHF2, CF2I-CH2-CF2I, CF3-CI2-CH2F, CF3-CH2-CFI2, CF3-CHI-CHFI, CHF2-CHF-CFI2, CF2I-CFI-CH2F, CF2I-CHF-CHFI, CHF2-CFI-CHFI, CF3-CHF-CHI2, CF3-CFI-CH2I, CFI2-CF2-CH2F, CHFI-CF2-CHFI, CHF2-CF2-CHI2, CF2I-CF2-CH2I, CF3-CI2-CHF2, CF3-CHI-CF2I, CF2I-CFI-CHF2,Selected from the group consisting of CF2I-CHF-CF2I, CF3-CHF-CFI2, CF3-CFI-CHFI, CHF2-CF2-CFI2, CF2I-CF2-CHFI, CF3-CF2-CHI2, CF3-CI2-CF3, CF3-CFI-CF2I, CF2I-CF2-CF2I, CF3-CF2-CFI2.

[0022] According to a preferred embodiment, said compound A is selected from the group consisting of CF2I2, CHF2-CHI2, CF2I-CH2I, CF3-CHI2, CF3-CFI2, CFI2-CHF-CH3, CH2F-CHF-CHI2, CHFI-CFI-CH3, CHFI-CHF-CH2I, CH2F-CFI-CH2I, CF3-CI2-CH3, CF3-CH2-CHI2, CF3-CHI-CH2I, CF3-CI2-CH2F, CF3-CH2-CFI2, CF3-CHI-CHFI, CF3-CHF-CHI2, CF3-CFI-CH2I, CF3-CI2-CHF2, CF3-CHI-CF2I, CF3-CHF-CFI2, CF3-CFI-CHFI, CF3-CI2-CF3, CF3-CFI-CF2I, CF2I-CHFI.

[0023] According to a second aspect, the present invention relates to the use of a composition according to the invention as a precision cleaner.

[0024] According to a third aspect, the present invention provides a storage device comprising a sealed container in which a composition according to the present invention is contained.

[0025] The present invention relates to a composition comprising an iodofluorocarbon compound A. The composition comprises at least 99.5% by weight of said iodofluorocarbon compound A, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, especially at least 99.9% by weight, and more particularly at least 99.95% by weight, of said iodofluorocarbon compound A, based on the total weight of the composition.

[0026] Advantageously, said iodofluorocarbon compound A is of formula (I) (R 1 )(R 2 )C(I)(R 3 ) or formula (II) (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are, independently of one another, C1-C optionally substituted with H, F, I, at least one fluorine or iodine atom; 10 alkyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 Cycloalkyl groups, C2-C optionally substituted with at least one fluorine or iodine atom 10 Alkenyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 a cycloalkenyl group and a C6-C6 alkyl group optionally substituted with at least one fluorine or iodine atom; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom.

[0027] Advantageously, said iodofluorocarbon compound A is of formula (I) (R 1)(R 2 )C(I)(R 3 ) or formula (II) (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are, independently of one another, C1-C optionally substituted with H, F, I, at least one fluorine or iodine atom; 10 alkyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 Cycloalkyl groups, C2-C optionally substituted with at least one fluorine or iodine atom 10 Alkenyl group, C3-C optionally substituted with at least one fluorine or iodine atom 10 a cycloalkenyl group and a C6-C6 alkyl group optionally substituted with at least one fluorine or iodine atom; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom; and provided that the iodofluorocarbon compound A is not CF3I.

[0028] Alternatively, the iodofluorocarbon compound A is CF3I.

[0029] The term "alkyl" refers to a monovalent radical derived from a linear or branched alkane containing a specific number of carbon atoms. The term "cycloalkyl" refers to a monovalent radical derived from a cycloalkane containing a specific number of carbon atoms. The term "alkenyl" refers to a monovalent radical derived from a cycloalkene containing a specific number of carbon atoms and at least one carbon-carbon double bond in its cyclic portion. The term "cycloalkenyl" refers to a monovalent radical derived from an arene containing a specific number of carbon atoms. Preferably, the alkyl, cycloalkyl, alkenyl, cycloalkenyl, or aryl group is not substituted with functional groups other than fluorine or iodine. Nevertheless, the group may contain some fluorine atoms on its carbon-based chain or some iodine atoms on its carbon-based chain. For example, the group may contain 1 to 10 fluorine atoms, preferably 1 to 5 fluorine atoms. For example, the group may contain 1 to 3 iodine atoms, preferably 1 or 2 iodine atoms.

[0030] Advantageously, said iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently a C1-C optionally substituted by H, F, I, 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms. 10 C3-C optionally substituted with alkyl group, 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms 10 a cycloalkyl group, a C2-C group optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10 alkenyl group, C3-C optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10a cycloalkenyl group and a C6-C alkyl group optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom. More advantageously, the iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently a C1-C optionally substituted by H, F, I, 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms. 10 C3-C optionally substituted with alkyl group, 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms 10 a cycloalkyl group, a C2-C group optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10 alkenyl group, C3-C optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10 a cycloalkenyl group and a C6-C alkyl group optionally substituted with 1 to 10 fluorine atoms and / or 1 to 3 iodine atoms; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom; and provided that the iodofluorocarbon compound A is not CF3I.

[0031] Preferably, the iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently H, F, I, C1-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms. 10 C3-C optionally substituted with alkyl group, 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms 10 cycloalkyl group, C2-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms 10 alkenyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms; 10 a cycloalkenyl group, a C6-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom. Alternatively, the iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently H, F, I, C1-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms. 10 C3-C optionally substituted with alkyl group, 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms 10 cycloalkyl group, C2-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms 10 alkenyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms; 10a cycloalkenyl group and a C6-C alkyl group optionally substituted with 1 to 5 fluorine atoms and / or 1 to 2 iodine atoms; 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom; and said iodofluorocarbon compound A is not CF3I.

[0032] More preferentially, said iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R 2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently a C1-C optionally substituted by H, F, I, 1 to 5 fluorine atoms and / or 1 iodine atom. 10 alkyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 Cycloalkyl group, C2-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 alkenyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 Cycloalkenyl group and C6-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom. Alternatively, the iodofluorocarbon compound A is of formula (I), (R 1 )(R 2 )C(I)(R 3 ) or formula (II), (R 1 )(R2 )C=C(I)(R 3 )(wherein, R 1 , R 2 and R 3 are each independently H, F, I, C1-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom; 10 alkyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 Cycloalkyl group, C2-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 alkenyl group, C3-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 Cycloalkenyl group and C6-C optionally substituted with 1 to 5 fluorine atoms and / or 1 iodine atom 10 aryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom; and said iodofluorocarbon compound A is not CF3I.

[0033] According to a preferred embodiment, the iodofluorocarbon compound A is represented by formula (I) or (II) (wherein R 1 , R 2 and R 3 are H, F, I, C1-C, independently of each other. 10 Perfluoroalkyl groups, C3-C 10 Perfluoroalkyl groups, C2-C 10 Perfluoroalkenyl group, C3-C 10 Perfluorocycloalkenyl group, C6-C 10 perfluoroaryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom. In particular, the iodofluorocarbon compound A is of formula (I) or (II) (wherein R1 , R 2 and R 3 are each independently H, F, I, C1-C5 perfluoroalkyl group, C5-C 10 Perfluorocycloalkyl groups, C2-C5 perfluoroalkenyl groups, C5-C 10 Perfluorocycloalkenyl group, C6-C 10 perfluoroaryl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom. According to a preferred embodiment, the iodofluorocarbon compound A is of formula (I) or (II) (wherein R 1 , R 2 and R 3 are H, F, I, C1-C, independently of each other. 10 Perfluoroalkyl groups, C3-C 10 Perfluorocycloalkyl groups, C2-C 10 Perfluoroalkenyl group, C3-C 10 perfluorocycloalkenyl groups; at least one substituent R 1 , R 2 or R 3 is F or a group as defined above containing at least one fluorine atom; and provided that the iodofluorocarbon compound A is not CF3I. In particular, the iodofluorocarbon compound A is of formula (I) or (II) (wherein R 1 , R 2 and R 3 are each independently H, F, I, C1-C5 perfluoroalkyl group, C5-C 10 Perfluorocycloalkyl groups, C2-C5 perfluoroalkenyl groups, C5-C 10 Perfluorocycloalkenyl group, C6-C 10 perfluoroaryl groups; at least one substituent R 1 , R 2 or R 3is F or a group as defined above containing at least one fluorine atom; and said iodofluorocarbon compound A is not CF3I.

[0034] According to a preferred embodiment, the iodofluorocarbon compound A is represented by formula (I) or (II) 1 , R 2 and R 3 are, independently of one another, H, I, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 10; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 In particular, the iodofluorocarbon compound A is of formula (I) or (II) [wherein R 1 , R 2 and R 3 are, independently of one another, H, I, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 5; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 In a preferred embodiment, the iodofluorocarbon compound A is of formula (I) or (II) [wherein R 1, R 2 and R 3 are, independently of one another, H, I, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 10; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 In particular, the iodofluorocarbon compound A is of formula (I) or (II) [wherein R 1 , R 2 and R 3 are independently H, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 5; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 is a fluorine atom, and said iodofluorocarbon compound A is not CF3I.

[0035] According to another preferred embodiment, the iodofluorocarbon compound A is a compound of formula (I) or (II) 1 , R 2 and R 3 are, independently of one another, H, I, F or Y 1 -[-C(Y 2 )(Y 3 )-] n-(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 10; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 In particular, compound A is of formula (I) or (II) [wherein R 1 , R 2 and R 3 are independently H, I, F or Y1-[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 5; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 In another preferred embodiment, the iodofluorocarbon compound A is of formula (I) or (II) [wherein R 1 , R 2 and R 3 are independently H, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 10; 1 , R 2 , R 3 , Y 1 , Y 2 or Y3 is a fluorine atom, and said iodofluorocarbon compound A is not CF3I. In particular, said compound A is of formula (I) or (II) [wherein R 1 , R 2 and R 3 are independently H, F or Y 1 -[-C(Y 2 )(Y 3 )-] n -(In the formula, Y 1 , Y 2 , and Y 3 are independently selected from the group consisting of H, I, and F, and n is an integer from 1 to 5; 1 , R 2 , R 3 , Y 1 , Y 2 or Y 3 is a fluorine atom, and said iodofluorocarbon compound A is not CF3I.

[0036] Preferably, the iodofluorocarbon compound A is CH2FI, CHF2I, CF3I, CH2F-CH2I, CHFI-CH3, CFI=CH2, cis-CHF=CHI, trans-CHF=CHI, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CH2F-CHFI, cis-CFI=CHF, trans-CFI=CHF, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CH3-CHF-CH2I, CH3-CFI-CH3, CH3-C F2-CH2I, CH2=CF-CH2I, cis-CH3-CF=CHI, trans-CH3-CF=CHI, CH3-CH2-CHFI, CH3-CHI-CH2F, CH2=CH-CHFI, cis-CH3-CI=CHF, trans-CH3-CI=CHF, cis-CH3-CH=CFI, trans-CH3-CH=CFI, CH2F-CH2-CH2I, cis-CHF=CH-CH2I, trans-CHF=CH-CH2I, CH2F-CI=CH2, cis-CH2F-CH=CHI, trans-CH2F-CH=CHI, CH3-CHF-CHF I, CH3-CFI-CH2F, CH3-CF2-CHFI, CH2=CF-CHFI, cis-CH3-CF=CFI, trans-CH3-CF=CFI, CH2F-CHF-CH2I, CH2F-CF2-CH2I, cis-CHF=CF-CH2I, trans-CHF=CF-CH2I, cis-CH2F-CF=CHI, trans-CH2F-CF=CHI, CH3-CH2-CF2I, CH3-CHI-CHF2, CH2=CH-CF2I, CH3-CI=CF2, CH2F-CH2-CHFI, CH2F-CHI-CH2F, cis-CHF=CH- CHFI, trans-CHF=CH-CHFI, cis-CH2F-CI=CHF, trans-CH2F-CI=CHF, cis-CH2F-CH=CFI, trans-CH2F-CH=CFI, CHF2-CH2-CH2I, CF2=CH-CH2I, CHF2-CI=CH2, cis-CHF2-CH=CHI, trans-CHF2-CH=CHI, CH3-CHF-CF2I, CH3-CFI-CHF2, CH3-CF2-CF2I, CH2=CF-CF2I, CH2F-CHF-CHFI, CH2F-CFI-CH2F, CH2F-CF2-CHFI,cis-CHF=CF-CHFI, trans-CHF=CF-CHFI, cis-CH2F-CF=CFI, trans-CH2F-CF=CFI, CHF2-CHF-CH2I, CHF2-CF2-CH2I, CF2=CF-CH2I, cis-CHF2-CF=CHI, trans-CHF2-CF=CHI, CH2F-CH2-CF2I, CH2F-CHI-CHF2, cis-CHF=CH-CF2I, trans-CHF=CH-CF2I, CH2F-CI=CF2, CHF2-CH2-CHFI, CF2=CH-CHFI, cis- CHF2-CI=CHF, trans-CHF2-CI=CHF, cis-CHF2-CH=CFI, trans-CHF2-CH=CFI, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CH2F-CHF-CF2I, CH2F-CFI-CHF2, CH2F-CF2-CF2I, cis-CHF=CF-CF2I, trans-CHF=CF-CF2I, CHF2-CHF-CHFI, CHF2-CF2-CHFI, CF2=CF-CH FI, cis-CHF2-CF=CFI, trans-CHF2-CF=CFI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF=CHI, trans-CF3-CF=CHI, CHF2-CH2-CF2I, CHF2-CHI-CHF2, CF2=CH-CF2I, CHF2-CI=CF2, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=C More preferably, the iodofluorocarbon compound A is selected from the group consisting of CH2FI, CHF2I, CHF2-CFI-CHF2, CHF2-CF2-CF2I, CF2=CF-CF2I, CF3-CHF-CHFI, CF3-CFI-CH2F, CF3-CF2-CHFI, cis-CF3-CF=CFI, trans-CF3-CF=CFI, CF3-CH2-CF2I, CF3-CHI-CHF2, CF3-CHI-CF3, CF3-CI=CF2, CF3-CHF-CF2I, CF3-CFI-CHF2, CF3-CFI-CF3, CF3-CF2-CF2I.CHFI-CH3, CFI=CH2, cis-CHF=CHI, trans-CHF=CHI, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CH2F-CHFI, cis-CFI=CHF, trans-CFI=CHF, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CH3-CHF-CH2I, CH3-CFI-CH3, CH3-CF2-CH2I, CH2=CF-CH2I, cis-CH3-CF=CHI, trans-CH3-CF=CHI, CH3-CH2-CHFI, CH3-CHI-CH2F, CH2=CH-CHFI, cis-CH3-CI=CHF, trans-CH3-CI=CHF, cis-CH3-CH=CFI, trans-CH3-CH=CFI, CH2F-CH2-CH2I, cis-CHF=CH-CH2I, trans-CHF=CH-CH2I, CH2F-CI=CH2, cis-CH2F-CH=CHI, trans-CH2F-CH=CHI, CH3-CHF-CHFI, CH3-CFI-CH2F, CH3-CF2-CHFI, CH2=CF-CHFI, cis-CH3-CF =CFI, trans-CH3-CF=CFI, CH2F-CHF-CH2I, CH2F-CF2-CH2I, cis-CHF=CF-CH2I, trans-CHF=CF-CH2I, cis-CH2F-CF=CHI, trans-CH2F-CF=CHI, CH3-CH2-CF2I, CH3-CHI-CHF2, CH2=CH-CF2I, CH3-CI=CF2, CH2F-CH2-CHFI, CH2F-CHI-CH2F, cis-CHF=CH-CHFI, trans-CHF=CH-CHFI, cis-CH2F-CI=CHF, trans-CH2F-C I=CHF, cis-CH2F-CH=CFI, trans-CH2F-CH=CFI, CHF2-CH2-CH2I, CF2=CH-CH2I, CHF2-CI=CH2, cis-CHF2-CH=CHI, trans-CHF2-CH=CHI, CH3-CHF-CF2I, CH3-CFI-CHF2, CH3-CF2-CF2I, CH2=CF-CF2I, CH2F-CHF-CHFI, CH2F-CFI-CH2F, CH2F-CF2-CHFI, cis-CHF=CF-CHFI, trans-CHF=CF-CHFI, cis-CH2F-CF=CFI,trans-CH2F-CF=CFI, CHF2-CHF-CH2I, CHF2-CF2-CH2I, CF2=CF-CH2I, cis-CHF2-CF=CHI, trans-CHF2-CF=CHI, CH2F-CH2-CF2I, CH2F-CHI-CHF2, cis-CHF=CH-CF2I, trans-CHF=CH-CF2I, CH2F-CI=CF2, CHF2-CH2-CHFI, CF2=CH-CHFI, cis-CHF2-CI=CHF, trans-CHF2-CI=CHF, cis-CHF2-CH=CFI, trans-CHF2-CH=CFI, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CH2F-CHF -CF2I, CH2F-CFI-CHF2, CH2F-CF2-CF2I, cis-CHF=CF-CF2I, trans-CHF=CF-CF2I, CHF2-CHF-CHFI, CHF2-CF2-CHFI, CF2=CF-CHFI, cis-CHF2-CF=CFI, trans-CHF2-CF=CFI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF=CHI, trans -CF3-CF=CHI, CHF2-CH2-CF2I, CHF2-CHI-CHF2, CF2=CH-CF2I, CHF2-CI=CF2, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF 3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=CFI, CHF2-CHF-CF2I, CHF2-CFI-CHF2, CHF2-CF2-CF2I, CF₂=CF-CF₂I, CF₃-CHF-CHFI, CF₃-CFI-CH₂F, CF₃-CF₂-CHFI, cis-CF₃-CF₄, trans-CF₃-CF₄, CF₃-CH₂-CF₂I, CF₃-CHI-CHF₂, CF₃-CHI-CF₃, CF₃-CI₂=CF₂, CF₃-CHF-CF₂I, CF₃-CFI-CHF₂, CF₃-CFI-CF₃, CF₃-CF₂-CF₂I.

[0037] In particular, the iodofluorocarbon compound A is CHF2I, CF3I, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF =CHI, trans-CF3-CF=CHI, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=CFI, CF3-CHF-CHFI, CF3-CFI-CH2F, CF3-CF2-CHFI, cis-CF3-CF=CFI, trans-CF3-CF=CFI, CF3-CHF-CF2I, CF3-CFI-CHF2, CF3-CFI-CF3, CF3-CF2-CF2I. More specifically, the iodofluorocarbon compound A is CHF2I, CHF2-CH2I, CF2I-CH3, CF3-CH2I, CF2=CHI, CHF2-CHFI, CF2I-CH2F, CF3-CHFI, CF2=CFI, CHF2-CF2I, CF2I-CF3, CF3-CH2-CH2I, CF3-CHI-CH3, CF3-CI=CH2, cis-CF3-CH=CHI, trans-CF3-CH=CHI, CF3-CHF-CH2I, CF3-CFI-CH3, CF3-CF2-CH2I, cis-CF3-CF= CHI, trans-CF3-CF=CHI, CF3-CH2-CHFI, CF3-CHI-CH2F, cis-CF3-CI=CHF, trans-CF3-CI=CHF, cis-CF3-CH=CFI, trans-CF3-CH=CFI, CF3-CHF-CHFI, CF3-CFI-CH2F, CF3-CF2-CHFI, cis-CF3-CF=CFI, trans-CF3-CF=CFI, CF3-CHF-CF2I, CF3-CFI-CHF2, CF3-CFI-CF3, CF3-CF2-CF2I.

[0038] <h2 style=";text-align:left;direction:ltr">CHFI2、CF2I2、CFI2-CH3、CH2F-CHI2、CHFI- CH2I、CHF2-CHI2、CF2I-CH2I、CFI2-CH2F、CHFI-CHFI、CF3-CHI2、CHF2-CFI2 、CF2I-CHFI、CF3-CFI2、CF2I-CF2I" H2I-CFI-CH3. I-CH2-CH2I、CHF2-CHI-CH2I、CFI2-CHF-CH3、CH2F-CHF-CHI2、CHFI-CFI-CH3、CHFI-CHF-CH2I、CH2F-CFI-CH2I、CHI2-CF2-CH3、CH2I-CF2-CH2I、CHF2- CI2-CH2F、CHF2-CH2-CFI2、CF2I-CHI-CH2F、CF2I-CH2-CHFI、CHF2-CHI-CHFI、CF3-CI2-CH3、CF3-CH2-CHI2、CF3-CHI-CH2I、CFI2-CHF-CH2F、CHFI-CFI -CH2F、CHFI-CHF-CHFI、CHF2-CHF-CHI2、CF2I-CFI-CH3、CF2I-CHF-CH2I、CHF2-CFI-CH2I、CFI2-CF2-CH3、CH2F-CF2-CHI2、CHFI-CF2-CH2I、CHF2-CI2- CHF2、CF2I-CHI-CHF2、CF2I-CH2-CF2I、CF3-CI2-CH2F、CF3-CH2-CFI2、CF3-CHI-CHFI、CHF2-CHF-CFI2、CF2I-CFI-CH2F、CF2I-CHF-CHFI、CHF2-CFI-CH FI、CF3-CHF-CHI2、CF3-CFI-CH2I、CFI2-CF2-CH2F、CHFI-CF2-CHFI、CHF2-CF2-CHI2、CF2I-CF2-CH2I、CF3-CI2-CHF2、CF3-CHI-CF2I、CF2I-CFI-CHF2、Selected from the group consisting of CF2I-CHF-CF2I, CF3-CHF-CFI2, CF3-CFI-CHFI, CHF2-CF2-CFI2, CF2I-CF2-CHFI, CF3-CF2-CHI2, CF3-CI2-CF3, CF3-CFI-CF2I, CF2I-CF2-CF2I, CF3-CF2-CFI2.

[0039] In particular, the iodofluorocarbon compound A is selected from the group consisting of CF2I2, CHF2-CHI2, CF2I-CH2I, CF3-CHI2, CF3-CFI2, CFI2-CHF-CH3, CH2F-CHF-CHI2, CHFI-CFI-CH3, CHFI-CHF-CH2I, CH2F-CFI-CH2I, CF3-CI2-CH3, CF3-CH2-CHI2, CF3-CHI-CH2I, CF3-CI2-CH2F, CF3-CH2-CFI2, CF3-CHI-CHFI, CF3-CHF-CHI2, CF3-CFI-CH2I, CF3-CI2-CHF2, CF3-CHI-CF2I, CF3-CHF-CFI2, CF3-CFI-CHFI, CF3-CI2-CF3, CF3-CFI-CF2I, CF2I-CHFI.

[0040] The composition also comprises at least one compound B. The at least one compound B is selected from the group consisting of water, HF, HI, IF, I, O, CO, CO and nitrogen or mixtures thereof. In the composition, the at least one compound B represents at most 0.5% by weight, based on the total weight of the composition, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, based on the total weight of the composition. If the composition comprises two or more compounds B, as defined above, the weight contents expressed above apply to all compounds B present. Therefore, the total weight content of each compound B present in the composition is at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, preferentially preferably at most 10 ppm, based on the total weight of the composition. Compositions containing at most 1000 ppm of compound B as defined above are advantageous for the intended use. In particular, compositions according to the present invention containing at most 1000 ppm of water or at most 1000 ppm of O2 limit or prevent the decomposition or polymerization of compound A.

[0041] Thus, in addition to compound A, the composition may comprise two compounds B as defined above, or three compounds B as defined above, or four compounds B as defined above, or three compounds B as defined above, or four compounds B as defined above, or seven compounds B as defined above, or eight compounds B as defined above, or nine compounds B as defined above.

[0042] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water.

[0043] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of HI.

[0044] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm and preferentially preferably at most 10 ppm of HF.

[0045] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of IF5.

[0046] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of I2.

[0047] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of O2.

[0048] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of CO2.

[0049] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight and more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm and preferentially preferably at most 10 ppm of CO.

[0050] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of nitrogen.

[0051] Preferably, compound B is selected from the group consisting of water, O2, CO2, CO and nitrogen or mixtures thereof. Preferably, the composition is free of HF, HI, IF5 and I2. The term "free of" refers to a weight content of the specified compound of less than 1 ppm based on the total weight of the composition. In particular, the absence of acidity in the composition is advantageous for the intended use.

[0052] Thus, the composition according to the invention may comprise at least 99.5% by weight of an iodofluorocarbon compound A and up to 0.5% by weight of at least one compound B selected from water, O, CO, CO, and nitrogen, or a mixture thereof. Thus, in addition to compound A, the composition may comprise two compounds B selected from water, O, CO, CO, and nitrogen; or three compounds B selected from water, O, CO, CO, and nitrogen; or four compounds B selected from water, O, CO, CO, and nitrogen; or five compounds B selected from water, O, CO, CO, and nitrogen; in any one of the contents mentioned above for compound B.

[0053] For example, in addition to Compound A, the composition may include water and O2, or water and nitrogen, or water and CO2, or water and CO2, or water, O2 and nitrogen, or water, O2 and CO2; in any of the contents mentioned above for Compound B.

[0054] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, particularly at least 99.9% by weight, and more particularly at least 99.95% by weight of the iodofluorocarbon compound A defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water and O2. The weight contents mentioned are based on the sum of the individual contents of water and O2.

[0055] The composition can comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, particularly at least 99.9% by weight, and more particularly at least 99.95% by weight of the iodofluorocarbon compound A defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water and nitrogen. The weight contents mentioned are based on the sum of the individual contents of water and nitrogen.

[0056] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, particularly at least 99.9% by weight, and more particularly at least 99.95% by weight of the iodofluorocarbon compound A defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water and CO2. The weight contents mentioned are based on the sum of the individual contents of water and CO2.

[0057] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, in particular at least 99.9% by weight, and more particularly at least 99.95% by weight of an iodofluorocarbon compound A as defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, in particular at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm, of water and CO. The weight contents mentioned are based on the sum of the individual contents of water and CO.

[0058] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, particularly at least 99.9% by weight, and more particularly at least 99.95% by weight of the iodofluorocarbon compound A defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water, nitrogen, and O2. The weight contents mentioned are based on the sum of the individual contents of water, nitrogen, and O2.

[0059] The composition may comprise at least 99.5% by weight, advantageously at least 99.6% by weight, preferably at least 99.7% by weight, more preferably at least 99.8% by weight, particularly at least 99.9% by weight, and more particularly at least 99.95% by weight of the iodofluorocarbon compound A defined above, based on the total weight of the composition, and at most 0.5% by weight, advantageously at most 0.4% by weight, preferably at most 0.3% by weight, more preferably at most 0.2% by weight, particularly at most 0.1% by weight, more particularly at most 0.05% by weight, preferably at most 1000 ppm, advantageously preferably at most 100 ppm, and preferentially preferably at most 10 ppm of water, CO 2 and O 2 . The weight contents mentioned are based on the sum of the individual contents of water, CO 2 and O 2 .

[0060] Tables 1a to 37a below describe specific compositions containing the indicated iodofluorocarbon compound A and the indicated compound B in the indicated amounts. Each row in the table represents a specific composition containing a specific compound A and one or more specific compounds B in the indicated amounts. A blank cell indicates that the composition does not contain the specific compound B, i.e., the content of the considered compound B is less than 1 ppm. Each composition listed in the table has a weight content of compound A of at least 99.5 wt. %, advantageously at least 99.6 wt. %, preferably at least 99.7 wt. %, more preferably at least 99.8 wt. %, particularly at least 99.9 wt. %, and more particularly at least 99.95 wt. %, based on the total weight of the composition. The expression "1 ppm to 100 ppm" means that the indicated compound B is present in the composition in a content of 1 ppm to 100 ppm.

[0061] For example, in Table 1 below, line 6 describes a composition comprising at least 99.5 wt. %, advantageously at least 99.6 wt. %, preferably at least 99.7 wt. %, more preferably at least 99.8 wt. %, especially at least 99.9 wt. %, and more particularly at least 99.95 wt. % CHF2I, 1 ppm to 100 ppm HO, and 1 ppm to 100 ppm O2, based on the total weight of the composition. TIFF2025143299000001.tif187170TIFF2025143299000002.tif188170TIFF2025143299000003.tif188170TIFF2025143299000004.tif188170TIFF2025143299000005.tif188170TIFF2025143299000006.tif188170TIFF2025143299000007.tif187170TIFF2025143299000008.tif187170TIFF2025143299000009.tif187170TIFF2025143299000010.tif187170TIFF2025143299000011.tif188170TIFF2025143299000012.tif187170TIFF2025143299000013.tif187170TIFF2025143299000014.tif186170TIFF2025143299000015.tif187170TIFF2025143299000016.tif177170TIFF2025143299000017.tif177170TIFF2025143299000018.tif186170TIFF2025143299000019.tif187170TIFF2025143299000020.tif187170TIFF2025143299000021.tif177170TIFF2025143299000022.tif239170TIFF2025143299000023.tif178170TIFF2025143299000024.tif178170TIFF2025143299000025.tif177170TIFF2025143299000026.tif178170TIFF2025143299000027.tif178170TIFF2025143299000028.tif169170TIFF2025143299000029.tif177170TIFF2025143299000030.tif178170TIFF2025143299000031.tif177170TIFF2025143299000032.tif177170TIFF2025143299000033.tif167170TIFF2025143299000034.tif166170TIFF2025143299000035.tif168170TIFF2025143299000036.tif167170TIFF2025143299000037.tif168170.

[0062] The compositions shown in Tables 1a-37a are particularly suitable for use as refrigerants, solvents, foaming agents, aerosol propellants, fire extinguishing agents, and desiccants for removing moisture adsorbed on the surfaces of solid parts, degreasing cleaners for various surfaces, and in particular precision cleaners.

[0063] Regardless of the embodiment, the composition according to the invention may also comprise a maximum of 6000 ppm, preferably a maximum of 3000 ppm, in particular a maximum of 1000 ppm of total organic impurities.

[0064] If necessary, the composition according to the invention can be purified to remove or reduce the content of at least one compound B or another organic impurity. - distillation: azeotropic, extractive or vacuum distillation; - adsorption on solids: adsorption on molecular sieves (3A-5A), zeolites, alumina, activated alumina or activated carbon; -Membrane separation; - washing with water, sodium hydroxide and / or potassium hydroxide; - Chemical treatment, oxidation, chlorination, photochlorination It can be performed by:

[0065] Thus, compositions can be obtained that contain compound A and 1 ppm to 10 ppm of at least one compound B. Tables 1b to 37b show details of various compositions according to the invention that can be advantageously obtained. The compositions shown in Tables 1b to 37b are particularly suitable for use as refrigerants, solvents, foaming agents, aerosol propellants, fire extinguishing agents, and desiccants for removing moisture adsorbed on the surface of solid parts, degreasing cleaners for various surfaces, and in particular precision cleaners. TIFF2025143299000038.tif187170TIFF2025143299000039.tif187170TIFF2025143299000040.tif188170TIFF2025143299000041.tif188170TIFF2025143299000042.tif187170TIFF2025143299000043.tif188170TIFF2025143299000044.tif187170TIFF2025143299000045.tif177170TIFF2025143299000046.tif186170TIFF2025143299000047.tif187170TIFF2025143299000048.tif188170TIFF2025143299000049.tif188170TIFF2025143299000050.tif186170TIFF2025143299000051.tif179170TIFF2025143299000052.tif178170TIFF2025143299000053.tif177170TIFF2025143299000054.tif168170TIFF2025143299000055.tif179170TIFF2025143299000056.tif169170TIFF2025143299000057.tif178170TIFF2025143299000058.tif169170TIFF2025143299000059.tif169170TIFF2025143299000060.tif169170TIFF2025143299000061.tif169170TIFF2025143299000062.tif178170TIFF2025143299000063.tif169170TIFF2025143299000064.tif169170TIFF2025143299000065.tif169170TIFF2025143299000066.tif169170TIFF2025143299000067.tif169170TIFF2025143299000068.tif168170TIFF2025143299000069.tif159170TIFF2025143299000070.tif159170TIFF2025143299000071.tif169170TIFF2025143299000072.tif168170TIFF2025143299000073.tif168170TIFF2025143299000074.tif170170.

[0066] The composition can be prepared by mixing the various components in their respective proportions.The composition according to the invention can also be prepared according to the method described in application FR2001619, according to the method described in application FR2001620, or according to the method described in application FR2001617.

[0067] According to another aspect of the present invention, there is provided a storage device, said device comprising a sealed container containing a composition according to the present invention.

[0068] Preferably, the compositions according to the present invention are stored in a sealed container in a liquid-gas state, consisting of a liquid phase and a gas phase, which allows for minimizing degradation of the composition over storage time.

[0069] According to a preferred embodiment, the container withstands a test pressure of between 10 and 100 bar, advantageously between 15 and 70 bar, preferably between 20 and 60 bar, in particular between 40 and 50 bar.

[0070] According to a preferred embodiment, the container is made of a material selected from carbon steel, stainless steel, manganese steel, chromium / molybdenum steel, or an aluminum alloy.

[0071] According to a preferred embodiment, the container comprises an inner surface in contact with said composition, said inner surface being at least partially covered with a coating comprising zinc or a resin of polyether or polyol type.

[0072] According to a preferred embodiment, at least 90% of the internal surfaces in contact with the composition are covered with said polyether or polyol type resin, advantageously at least 95% of the internal surfaces in contact with the composition are covered with said polyether or polyol type resin, preferably at least 98% of the internal surfaces in contact with the composition are covered with said polyether or polyol type resin, in particular at least 99% of the internal surfaces in contact with the composition are covered with said polyether or polyol type resin, and more particularly the entire internal surface of the container in contact with the composition is covered with polyether or polyol type resin.

[0073] The polyether or polyol type resin may be derived from a monomer containing an oxirane or phenol functional group. Preferably, the polyether or polyol type resin is derived from a monomer containing a siloxylane unit. In particular, the polyether or polyol type resin is derived from a monomer containing a siloxylane unit of formula (III): TIFF2025143299000075.tif25170, R 1 and R 2 are independent of each other and for each unit u and v and are of the following type: C6-C 18 Aryl, C1-C 20 Alkyl, C3-C 20 Cycloalkyl, C3-C 20 Cycloalkenyl, C2-C 20 Alkenyl, formula R 3 -C(O)-R 4 carbonyl of formula R 3 -C(O)-OR 4 Esters of formula R 3 -OR 4 ether of formula R 3 -NR 4 amine, R 2 is the formula R 3 It can also be an aldehyde group of the formula -C(O)-H; R 3 and R 4 are, independently of each other, C6-C 18 Aryl, C1-C 20Alkyl, C3-C 20 Cycloalkyl, C3-C 20 Cycloalkenyl or C2-C 20 alkenyl groups; v is an integer from 1 to 30, advantageously from 1 to 20, preferably from 5 to 10; and u is R 1 and R 2 are independently integers from 1 to 30, advantageously from 1 to 20, preferably from 5 to 10.

[0074] According to another preferred embodiment, the polyether or polyol type resin is obtained from the condensation of a compound A1 with a compound B1, the compound A1 being a substituted or unsubstituted phenolic compound and the compound B1 being a compound of formula R 5 C(O)R 6 (In the formula, R 5 and R 6 are independently hydrogen, C1-C 20 Alkyl, C6-C 20 Aryl, C3-C 20 Cycloalkyl or C2-C 20 Alkenyl. The substituted phenol compound may be substituted with any of the above substituents. Preferably, compound A1 is an unsubstituted phenol. Advantageously, compound B1 is a compound of formula R 5 C(O)R 6 (In the formula, R 5 and R 6 are independently hydrogen, C1-C 10 Alkyl, C6-C 10 Aryl, C3-C 10 Cycloalkyl or C2-C 10 Preferably, compound B1 is a compound of formula R 5 C(O)R 6 (In the formula, R 5 and R 6 are independently hydrogen, C 1- C5 alkyl, C 6- C 10 Aryl, C 3- In particular, compound B1 is a compound of formula R5 C(O)R 6 (In the formula, R 5 and R 6 is hydrogen. Preferably, compound A1 is phenol C6H5OH and compound B1 is formaldehyde.

[0075] According to one preferred embodiment, at least 90% of the internal surfaces in contact with the composition are covered with a coating comprising zinc, advantageously at least 95% of the internal surfaces in contact with the composition are covered with a coating comprising zinc, preferably at least 98% of the internal surfaces in contact with the composition are covered with a coating comprising zinc, and in particular at least 99% of the internal surfaces in contact with the composition may be covered with a coating comprising zinc. More particularly, the entire internal surface of the receptacle in contact with the composition may be covered with a coating comprising zinc.

[0076] Preferably, the coating comprises at least 50% by weight of zinc based on the total weight of the coating, advantageously at least 70% by weight based on the total weight of the coating, preferably at least 90% by weight based on the total weight of the coating, more preferably at least 95% by weight of zinc based on the total weight of the coating, in particular at least 98% by weight of zinc based on the total weight of the coating, and more particularly at least 99.9% by weight of zinc based on the total weight of the coating.

[0077] Alternatively, the coating may be an alloy containing zinc, preferably less than 50% by weight of zinc, based on the total weight of the coating. For example, the coating may be brass. Alternatively, the coating may comprise copper, advantageously at least 60% by weight of copper, based on the total weight of the coating, preferably at least 70% by weight of copper, and in particular at least 90% by weight of copper, based on the total weight of the coating. Alternatively, the containers described in this patent application may have an interior surface, preferably the entire interior surface that comes into contact with the composition, covered with a coating that contains copper or brass instead of zinc.

[0078] According to another preferred embodiment, the inner surface of the container is covered with an insulating material comprising a polymeric material with closed pores, the latter having the formula (III), R2C=CRR', where R is independently selected from the group consisting of Cl, F, H and CF3, and R' is (CR2) n Y (wherein Y is CF3 and n is 0 or 1). Preferably, said haloalkene of formula (III) is selected from the group consisting of (E / Z)-1,1,1,4,4,4-hexafluoro-2-butene, (E / Z)-1-chloro-3,3,3-trifluoropropene and (Z / E)-1,3,3,3-tetrafluoropropene.

Claims

1. At least 99.5% by weight of iodofluorocarbon compound A and up to 0.5% by weight of water, HF, HI, IF ５ , I ２ , O ２ , CO ２ and at least one compound B selected from CO and nitrogen or mixtures thereof; wherein the iodofluorocarbon compound A is represented by the formula (I), (R １ ) (R ２ ) C(I)(R ３ ) or formula (II), (R １ ) (R ２ ) C=C(I)(R ３ ) (wherein, R １ , R ２ and R ３ are each independently H, F, I, or C optionally substituted with at least one fluorine or iodine atom; １ -C １０ an alkyl group, a C group optionally substituted with at least one fluorine or iodine atom; ３ -C １０ a cycloalkyl group, a C group optionally substituted with at least one fluorine or iodine atom; ２ -C １０ an alkenyl group, C optionally substituted with at least one fluorine or iodine atom; ３ -C １０ a cycloalkenyl group, and C optionally substituted with at least one fluorine or iodine atom; ６ -C １０ aryl groups; １ , R ２ or R ３ is F or a group as defined above containing at least one fluorine atom, and the iodofluorocarbon compound A is CF ３ (I) is not a composition of matter.

2. 2. The composition according to claim 1, comprising at least 99.9% by weight, preferably at least 99.95% by weight, of said compound A and at most 0.1% by weight, preferably at most 0.05% by weight, of said at least one compound B.

3. 3. Composition according to claim 1 or 2, characterized in that it comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of water, preferably at most 100 ppm of water, in particular at most 10 ppm of water.

4. 4. A composition according to any one of claims 1 to 3, characterized in that it contains at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of HI, preferably at most 100 ppm of HI, in particular at most 10 ppm of HI.

5. 5. Composition according to any one of claims 1 to 4, characterized in that it contains at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of HF, preferably at most 100 ppm of HF, in particular at most 10 ppm of HF.

6. At least 99.9% by weight, preferably at least 99.95% by weight of said compound A and at most 1000 ppm of IF ５ , preferably up to 100 ppm IF ５ , especially IF up to 10 ppm ５ 6. The composition according to claim 1, wherein the composition comprises:

7. At least 99.9% by weight, preferably at least 99.95% by weight, of said compound A and at most 1000 ppm of I ２ , preferably up to 100 ppm I ２ , especially up to 10 ppm I ２ 7. The composition according to claim 1, wherein the composition comprises:

8. At least 99.9% by weight, preferably at least 99.95% by weight, of said compound A and at most 1000 ppm O ２ , preferably up to 100 ppm O ２ , especially up to 10 ppm O ２ 8. The composition according to claim 1, wherein the composition comprises:

9. at least 99.9% by weight, preferably at least 99.95% by weight of said compound A and at most 1000 ppm CO ２ , preferably up to 100 ppm CO ２ , especially up to 10 ppm CO ２ 9. The composition according to claim 1, wherein the composition comprises:

10. 10. A composition according to any one of claims 1 to 9, characterized in that it comprises at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm CO, preferably at most 100 ppm CO, in particular at most 10 ppm CO.

11. 11. Composition according to any one of claims 1 to 10, characterized in that it contains at least 99.9% by weight, preferably at least 99.95% by weight, of compound A and at most 1000 ppm of nitrogen, preferably at most 100 ppm of nitrogen, in particular at most 10 ppm of nitrogen.

12. The compound A is represented by formula (I) or (II) (wherein R １ , R ２ and R ３ are, independently of each other, H, F, I, C １ -C ５ Perfluoroalkyl group, C ５ -C １０ Perfluorocycloalkyl group, C ２ -C ５ Perfluoroalkenyl group, C ５ -C １０ perfluorocycloalkenyl group, C ６ -C １０ perfluoroaryl groups; １ , R ２ or R ３ is F or a group as defined herein containing at least one fluorine atom; and iodofluorocarbon compound A is CF ３ 12. The composition according to claim 1, wherein the compound is selected from the group consisting of:

13. The compound A is represented by formula (I) or (II) １ , R ２ and R ３ are each independently H, F or Y １ -[-C(Y ２ ) (Y ３ )-] ｎ - (in the formula, Y １ , Y ２ , and Y ３ are selected independently from each other and independently for each unit n from the group consisting of H, I, and F; n is an integer from 1 to 5; １ , R ２ , R ３ , Y １ , Y ２ or Y ３ is a fluorine atom, and the iodofluorocarbon compound A is CF ３ 12. The composition according to claim 1, wherein the compound is of the formula: I, provided that the compound is not I.

14. The compound A is CH ２ FI, CHF ２ I, CH ２ F-CH ２ I, CHFI-CH ３ , CFI=CH ２ , cis-CHF=CHI, trans-CHF=CHI, CHF ２ -CH ２ I, CF ２ I-CH ３ , C.F. ３ -CH ２ I, CF ２ =CHI, CH ２ F-CHFI, cis-CFI=CHF, trans-CFI=CHF, CHF ２ -CHFI, CF ２ I-CH ２ F, CF ３ -CHFI, CF ２ = CFI, CHF ２ -CF ２ I, CF ２ ICF ３ , C.H. ３ -CHF-CH ２ I, CH ３ -CFI-CH ３ , C.H. ３ -CF ２ -CH ２ I, CH ２ =CF-CH ２ I, cis-CH ３ -CF=CHI, trans-CH ３ -CF=CHI, CH ３ -CH ２ -CHFI, CH ３ -CHI-CH ２ F, CH ２ =CH-CHFI, cis-CH ３ -CI=CHF, trans-CH ３ -CI=CHF, cis-CH ３ -CH=CFI, trans-CH ３ -CH=CFI, CH ２ F-CH ２ -CH ２ I, cis-CHF=CH-CH ２ I, trans-CHF=CH-CH ２ I, CH ２ F-CI=CH ２ , cis-CH ２ F-CH=CHI, trans-CH ２ F-CH=CHI, CH ３ -CHF-CHFI, CH ３ -CFI-CH ２ F, CH ３ -CF ２ -CHFI, CH ２ =CF-CHFI, cis-CH ３ -CF=CFI, trans-CH ３ -CF=CFI, CH ２ F-CHF-CH ２ I, CH ２ F-CF ２ -CH ２ I, cis-CHF=CF-CH ２ I, trans-CHF=CF-CH ２ I, cis-CH ２ F-CF=CHI, trans-CH ２ F-CF=CHI, CH ３ -CH ２ -CF ２ I, CH ３ -CHI-CHF ２ , C.H. ２ =CH-CF ２ I, CH ３ -CI=CF ２ , C.H. ２ F-CH ２ -CHFI, CH ２ F-CHI-CH ２ F, cis-CHF=CH-CHFI, trans-CHF=CH-CHFI, cis-CH ２ F-CI = CHF, trans-CH ２ F-CI=CHF, cis-CH ２ F-CH=CFI, trans-CH ２ F-CH=CFI, CHF ２ -CH ２ -CH ２ I, CF ２ =CH-CH ２ I, CHF ２ -CI=CH ２ , cis-CHF ２ -CH=CHI, trans-CHF ２ -CH=CHI, CH ３ -CHF-CF ２ I, CH ３ -CFI-CHF ２ , C.H. ３ -CF ２ -CF ２ I, CH ２ =CF-CF ２ I, CH ２ F-CHF-CHFI, CH ２ F-CFI-CH ２ F, CH ２ F-CF ２ -CHFI, cis-CHF=CF-CHFI, trans-CHF=CF-CHFI, cis-CH ２ F-CF=CFI, trans-CH ２ F-CF=CFI, CHF ２ -CHF-CH ２ I, CHF ２ -CF ２ -CH ２ I, CF ２ =CF-CH ２ I, cis-CHF ２ -CF=CHI, trans-CHF ２ -CF=CHI, CH ２ F-CH ２ -CF ２ I, CH ２ F-CHI-CHF ２ , cis-CHF=CH-CF ２ I, trans-CHF=CH-CF ２ I, CH ２ F-CI = CF ２ , CHF ２ -CH ２ -CHFI, CF ２ =CH-CHFI, cis-CHF ２ -CI=CHF, trans-CHF ２ -CI=CHF, cis-CHF ２ -CH=CFI, trans-CHF ２ -CH=CFI, CF ３ -CH ２ -CH ２ I, CF ３ -CHI-CH ３ , C.F. ３ -CI=CH ２ , cis-CF ３ -CH=CHI, trans-CF ３ -CH=CHI, CH ２ F-CHF-CF ２ I, CH ２ F-CFI-CHF ２ , C.H. ２ F-CF ２ -CF ２ I, cis-CHF=CF-CF ２ I, trans-CHF=CF-CF ２ I, CHF ２ -CHF-CHFI, CHF ２ -CF ２ -CHFI, CF ２ =CF-CHFI, cis-CHF ２ -CF=CFI, trans-CHF ２ -CF=CFI, CF ３ -CHF-CH ２ I, CF ３ -CFI-CH ３ , C.F. ３ -CF ２ -CH ２ I, cis-CF ３ -CF=CHI, trans-CF ３ -CF=CHI, CHF ２ -CH ２ -CF ２ I, CHF ２ -CHI-CHF ２ , C.F. ２ =CH-CF ２ I, CHF ２ -CI=CF ２ , C.F. ３ -CH ２ -CHFI, CF ３ -CHI-CH ２ F, cis-CF ３ -CI=CHF, trans-CF ３ -CI=CHF, cis-CF ３ -CH=CFI, trans-CF ３ -CH=CFI, CHF ２ -CHF-CF ２ I, CHF ２ -CFI-CHF ２ , CHF ２ -CF ２ -CF ２ I, CF ２ =CF-CF ２ I, CF ３ -CHF-CHFI, CF ３ -CFI-CH ２ F, CF ３ -CF ２ -CHFI, cis-CF ３ -CF=CFI, trans-CF ３ -CF=CFI, CF ３ -CH ２ -CF ２ I, CF ３ -CHI-CHF ２ , C.F. ３ -CHI-CF ３ , C.F. ３ -CI=CF ２ , C.F. ３ -CHF-CF ２ I, CF ３ -CFI-CHF ２ , C.F. ３ -CFI-CF ３ , C.F. ３ -CF ２ -CF ２ 12. The composition according to claim 1, wherein the compound is selected from the group consisting of I.

15. The compound A is CHF ２ I, CHF ２ -CH ２ I, CF ２ I-CH ３ , C.F. ３ -CH ２ I, CF ２ =CHI, CHF ２ -CHFI, CF ２ I-CH ２ F, CF ３ -CHFI, CF ２ = CFI, CHF ２ -CF ２ I, CF ２ ICF ３ , C.F. ３ -CH ２ -CH ２ I, CF ３ -CHI-CH ３ , C.F. ３ -CI=CH ２ , cis-CF ３ -CH=CHI, trans-CF ３ -CH=CHI, CF ３ -CHF-CH ２ I, CF ３ -CFI-CH ３ , C.F. ３ -CF ２ -CH ２ I, cis-CF ３ -CF=CHI, trans-CF ３ -CF=CHI, CF ３ -CH ２ -CHFI, CF ３ -CHI-CH ２ F, cis-CF ３ -CI=CHF, trans-CF ３ -CI=CHF, cis-CF ３ -CH=CFI, trans-CF ３ -CH=CFI, CF ３ -CHF-CHFI, CF ３ -CFI-CH ２ F, CF ３ -CF ２ -CHFI, cis-CF ３ -CF=CFI, trans-CF ３ -CF=CFI, CF ３ -CHF-CF ２ I, CF ３ -CFI-CHF ２ , C.F. ３ -CFI-CF ３ , C.F. ３ -CF ２ -CF ２ 12. The composition according to claim 1, wherein the compound is selected from the group consisting of I.

16. The compound A is CHFI ２ , CF ２ I ２ , CFI ２ -CH ３ , CH ２ F-CHI ２ , CHFI-CH ２ I, CHF ２ -CHI ２ , CF ２ I-CH ２ I, CFI ２ -CH ２ F, CHFI-CHFI, CF ３ -CHI ２ , CHF ２ -CFI ２ , CF ２ I-CHFI, CF ３ -CFI ２ , CF ２ I-CF ２ I, CFI ２ -CH ２ -CH ３ , CH ２ F-CI ２ -CH ３ , CH ２ F-CH ２ -CHI ２ , CHFI-CHI-CH ３ , CHFI-CH ２ -CH ２ I, CH ２ F-CHI-CH ２ I, CHI ２ -CHF-CH ３ , CH ２ I-CFI-CH ３ , CH ２ I-CHF-CH[[ID=]5] ２ , CFI ２ -CH ２ -CH ２ F, CH ２ F-CI ２ -CH ２ F, CHFI-CHI-CH ２ F, CHFI-CH ２ -CHFI, CHF ２ -CI ２ -CH ３ , CHF ２ -CH ２ -CHI ２ 、CF ２ I-CHI-CH ３ 、CF ２ I-CH ２ -CH ２ I、CHF ２ -CHI-CH ２ I、CFI ２ -CHF-CH ３ 、CH ２ F-CHF-CHI ２ 、CHFI-CFI-CH ３ 、CHFI-CHF-CH ２ I、CH ２ F-CFI-CH ２ I、CHI ２ -CF ２ -CH ３ 、CH ２ I-CF ２ -CH ２ I、CHF ２ -CI ２ -CH ２ F、CHF ２ -CH ２ -CFI ２ 、CF ２ I-CHI-CH ２ F、CF ２ I-CH ２ -CHFI、CHF ２ -CHI-CHFI、CF ３ -CI ２ -CH ３ 、CF ３ -CH ２ -CHI ２ 、CF ３ -CHI-CH ２ I、CFI ２ -CHF-CH ２ F、CHFI-CFI-CH ２ F、CHFI-CHF-CHFI、CHF ２ -CHF-CHI ２ 、CF ２ I-CFI-CH ３ 、CF ２ I-CHF-CH ２ I、CHF ２ -CFI-CH ２ I、CFI ２ -CF ２ -CH ３ 、CH ２ F-CF ２ -CHI ２ 、CHFI-CF ２ -CH ２ I、CHF ２ -CI ２ -CHF ２ 、CF ２ I-CHI-CHF ２ 、CF ２ I-CH ２ -CF ２ I、CF ３ -CI ２ -CH ２ F、CF ３ -CH ２ -CFI ２ 、CF ３ -CHI-CHFI、CHF ２ -CHF-CFI ２ 、CF ２ I-CFI-CH ２ F、CF ２ I-CHF-CHFI、CHF ２ -CFI-CHFI、CF ３ -CHF-CHI ２ 、CF ３ -CFI-CH ２ I、CFI ２ -CF ２ -CH ２ F、CHFI-CF ２ -CHFI、CHF ２ -CF ２ -CHI ２ 、CF ２ I-CF ２ -CH ２ I、CF ３ -CI ２ -CHF ２ 、CF ３ -CHI-CF ２ I、CF ２ I-CFI-CHF ２ 、CF ２ I-CHF-CF ２ I、CF ３ -CHF-CFI ２ 、CF ３ -CFI-CHFI、CHF ２ -CF ２ -CFI ２ , C.F. ２ ICF ２ -CHFI, CF ３ -CF ２ -CHI ２ , C.F. ３ -CI ２ -CF ３ , C.F. ３ -CFI-CF ２ I, CF ２ ICF ２ -CF ２ I, CF ３ -CF ２ -CFI ２ 12. The composition according to any one of claims 1 to 11, characterized in that it is selected from the group consisting of:

17. The compound A is CF ２ I ２ , CHF ２ -CHI ２ , C.F. ２ I-CH ２ I, CF ３ -CHI ２ , C.F. ３ -CFI ２ , CFI ２ -CHF-CH ３ , C.H. ２ F-CHF-CHI ２ , CHFI-CFI-CH ３ , CHFI-CHF-CH ２ I, CH ２ F-CFI-CH ２ I, CF ３ -CI ２ -CH ３ , C.F. ３ -CH ２ -CHI ２ , C.F. ３ -CHI-CH ２ I, CF ３ -CI ２ -CH ２ F, CF ３ -CH ２ -CFI ２ , C.F. ３ -CHI-CHFI, CF ３ -CHF-CHI ２ , C.F. ３ -CFI-CH ２ I, CF ３ -CI ２ -CHF ２ , C.F. ３ -CHI-CF ２ I, CF ３ -CHF-CFI ２ , C.F. ３ -CFI-CHFI, CF ３ -CI ２ -CF ３ , C.F. ３ -CFI-CF ２ I, CF ２ 12. The composition according to claim 1, wherein the compound is selected from the group consisting of I-CHFI.

18. 18. Use of a composition according to any one of claims 1 to 17 as a precision cleaner.

19. A storage device comprising a sealed container containing the composition of any one of claims 1 to 17.

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