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Application of water removal agent in improving stability of clethodim system, and clethodim system

A technology of clethodim and stability, applied in the field of clethodim system, can solve the problems of poor chemical stability and easy degradation, and achieve the effects of low cost, reduced degradation rate, and fast water removal speed

Inactive Publication Date: 2020-09-18
JIANGSU SEVENCONTINENT GREEN CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The molecular structure of clethodim contains hydroxyl, double bond, oxime and other functional groups, which has poor chemical stability and is easy to degrade

Method used

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  • Application of water removal agent in improving stability of clethodim system, and clethodim system
  • Application of water removal agent in improving stability of clethodim system, and clethodim system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: 92% clethodim original medicine

[0029] Weighed 98.93 g of 93% clethodim technical, added 1.07 g of trimethyl orthoformate, and stirred at room temperature for 1 h under airtight conditions to obtain 92% clethodim technical.

[0030] Control drug 1: 93% clethodim original drug

[0031] Weigh 100 g of 93% clethodim technical material, and stir at room temperature for 1 h under airtight conditions to obtain 93% clethodim technical material.

[0032] Storage stability test:

[0033] Test method: refer to "GB / T 22615-2008 Clethodim EC", "NY / T 1427-2007 General Rules for Stability Test of Pesticides at Room Temperature Storage" and "GB / T 1600-2001 Determination of Moisture in Pesticides".

[0034] Test conditions: The thermal storage condition is (35±2)°C for 12 weeks, and the determination of the active ingredient content is completed within 24 hours. The normal temperature storage condition is to store at room temperature for 1 year.

[0035] Table 1 is ...

Embodiment 2

[0038] Embodiment 2: 92% clethodim original drug

[0039] Weighed 98.93 g of 93% clethodim technical, added 1.07 g of triethyl orthoformate, and stirred at room temperature for 1 h under airtight conditions to obtain 92% clethodim technical.

[0040] Control drug 2: 93% clethodim original drug

[0041] Weigh 100 g of 93% clethodim technical material, and stir at room temperature for 1 h under airtight conditions to obtain 93% clethodim technical material.

[0042] Storage stability test:

[0043] Test method: refer to "GB / T 22615-2008 Clethodim EC", "NY / T 1427-2007 General Rules for Stability Test of Pesticides at Room Temperature Storage" and "GB / T 1600-2001 Determination of Moisture in Pesticides".

[0044] Test conditions: The thermal storage condition is (35±2)°C for 12 weeks, and the determination of the active ingredient content is completed within 24 hours. The normal temperature storage condition is to store at room temperature for 1 year.

[0045] Table 2 is the t...

Embodiment 3

[0048] Embodiment 3: 70% clethodim parent drug

[0049] Weigh 75.27g of 93% clethodim technical substance, add 1.50g of 1,1-dimethoxypropane, 23.23g of solvent naphtha S-1502, and stir at room temperature for 1h under airtight conditions to obtain 70% clethodim primary drug.

[0050] Control drug 3: 70% clethodim parent drug

[0051] Weigh 75.27g of 93% clethodim technical material, add 24.73g of solvent naphtha S-150, and stir at room temperature for 1 hour under airtight conditions to obtain 70% clethodim parent drug.

[0052] Storage stability test:

[0053] Test method: refer to "GB / T 22615-2008 Clethodim EC", "NY / T 1427-2007 General Rules for Stability Test of Pesticides at Room Temperature Storage" and "GB / T 1600-2001 Determination of Moisture in Pesticides".

[0054] Test conditions: The thermal storage condition is (35±2)°C for 12 weeks, and the determination of the active ingredient content is completed within 24 hours. The normal temperature storage condition is to ...

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Abstract

The invention relates to an application of a water removal agent in improving the stability of a clethodim system. By adding the water removal agent into the clethodim system, the problem that the clethodim thermal storage degradation rate and the normal-temperature storage degradation rate are too high can be solved, and the stability of clethodim can be improved, so that the clethodim thermal storage degradation rate and the normal-temperature storage degradation rate are reduced.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to the application of a water-removing agent in improving the stability of a clethodim system and the clethodim system. Background technique [0002] Clethodim is a cyclopropenone-type systemic herbicide for stem and leaf treatment developed by Chevron Chemical Company of the United States and Sumitomo Chemical Company of Japan. Clethodim has excellent selectivity, has a strong killing effect on grass weeds, and is safe to dicotyledonous crops. After the treatment of stems and leaves, it is quickly absorbed by the leaves and transmitted to the meristematic tissue. It works by inhibiting the biosynthesis of branched-chain fatty acids and flavonoids in sensitive plants, destroying cell division and inhibiting the activity of plant meristems. slows down plant growth. Within 1-3 weeks after application, the plants were chlorotic and necrotic, and then the leaves withere...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C319/26C07C323/47A01N25/22A01N35/10A01N41/06A01P13/00
CPCA01N25/22A01N35/10A01N41/06C07C319/26C07C323/47
Inventor 张学峰高明卡伦·西姆斯曹琦张晓腾凌江涛
Owner JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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