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Methylaminoformyl chloride
Chinese name: methylaminoformyl chloride
Chinese synonyms: methylaminoformyl chloride; methylcarbamoyl chloride
English name:
English Synonyms: RBR;;-;rbr;-;rbr;-();-rbr
No.-
Molecular formula:
Molecular weight.
No.-
Related categories Amino Formate ester pesticides; pesticide intermediates; pesticide intermediates; r
File.
Methylcarbamoyl chloride pure product is white crystal... ℃ (decomposition) easily soluble in benzene and other organic The solvent may decompose when exposed to alkali or water, causing an explosion, instability at high temperatures, and irritation to the eyes and respiratory tract.
Uses
1. Methylcarbamoyl chloride can be widely used as carbamate insecticides such as sec-butylcarb, carbofuran, isopropylcarb, methomyl, methiocarb and methiocarb etc. intermediates.
Uses:
2. Pesticide carbamate intermediates for insecticides and herbicides
Production method
Prepared by the reaction of methylamine and phosgene. % of the methylamine aqueous solution is vaporized and dried, then mixed with phosgene in a ratio (volume) of: /phosgene into a preheater at a speed of /(content%-%) to preheat methylamine. The temperature is controlled at -℃ and the phosgene is controlled at -℃. The two preheated gases enter the test tube and are synthesized at -°C to form the gas carbamoyl chloride. Then carbon tetrachloride (or chlorobenzene solution) is circulated at -℃ to absorb about % of carbamoyl chloride (or chlorobenzene) solution or cooled below -℃ into a liquid finished product.
Production method Methylcarbamoyl chloride is produced by the reaction of methylamine and phosgene. Reaction equation: +&r;
Vaporize % of the methylamine aqueous solution and dry it, then mix it with phosgene at a ratio of: (volume) methylamine to/phosgene at a speed of ./(content%~%) respectively Enter the preheater to preheat the methylamine and the preheating temperature is controlled at ~℃. The phosgene is controlled at ~℃. The two preheated gases enter the venturi and are synthesized at ~°C to form methylcarbamoyl chloride. Then use carbon tetrachloride (or chlorobenzene solution) to circulate at ~℃ to absorb about % of the carbon tetrachloride (or chlorobenzene) solution of methylcarbamoyl chloride or cool it below ~℃ into a liquid finished product
Raw material manufacturer For consultation, please call Mr. Liu on WeChat
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