None-phenol basic violet synthetic process

A synthetic process and alkaline technology, which is applied in the field of phenol-free basic violet synthetic process, can solve the problems of unsuitability for large-scale production, low production efficiency, complicated production process, etc., and improve the single-pass conversion rate and product yield , Improve work efficiency, overcome the effect of more processes

Inactive Publication Date: 2016-05-11
QINGDAO SHOUTAI AGRI SCI & TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In the current phenol-free basic violet synthesis process method, the technical process is not easy to implement, the resulting phenol-free basic violet product has low purity, the single-pass conversion rate of reactants is low, the production process is complicated, the production efficiency is low and the cost is high. suitable for mass production

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0011] The phenol-free basic violet synthetic technique of the present embodiment comprises the following steps:

[0012] (1) N, N-dimethylaniline compounds are mixed with water to form a solution;

[0013] (2) Use copper salt as a catalyst, emulsify with a compound nonionic emulsifier, and oxidize the system at 80°C;

[0014] (3) Treat the oxidized material with a solvent method to obtain high-purity phenol-free basic violet with low copper content.

[0015] The phenol-free basic violet synthesis process does not require cumbersome post-reaction treatment, the process is simple and feasible, and it is environmentally friendly and pollution-free, and the reaction conditions are mild, realizing the industrial production of the product.

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PUM

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Abstract

The invention discloses a non-phenol basic violet synthetic process which comprises the following steps: mixing an N,N-dimethylaniline compound with water to form a solution; using copper salt as a catalyst and carrying out emulsification by a compound non-ionic emulsifier; performing an oxidation reaction on a system at a temperature of 50 to 80 DEG C; then processing an oxidized material according to a solvent method to obtain high-purity basic violet with low copper content. The non-phenol basic violet synthetic process disclosed by the invention has the advantages of being simple in process, mild in reaction conditions and free of drainage of a great volume of waste water, and has yield of 95 percent or higher.

Description

technical field [0001] The invention belongs to the technical field of chemical synthesis, and in particular relates to a synthesis process of phenol-free basic violet. Background technique [0002] The phenol-free basic violet synthesis process at least includes processes such as catalytic reaction, emulsification reaction, and dissolution reaction. In the current phenol-free basic violet synthesis process method, the technical process is not easy to implement, the resulting phenol-free basic violet product has low purity, the single-pass conversion rate of the reactant is low, the production process is complicated, the production efficiency is low and the cost is high. Suitable for mass production. Contents of the invention [0003] In order to overcome the above-mentioned technical problems existing in the prior art field, the purpose of the present invention is to provide a phenol-free basic violet synthesis process. The present invention not only has a simple pro...

Claims

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Application Information

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IPC IPC(8): C07C251/30C07C249/02C09B11/18
Inventor 张晶
Owner QINGDAO SHOUTAI AGRI SCI & TECH CO LTD
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