Decreasing the amount of dichloroacetyl chloride contained in monochloroacetyl chloride

摘要

A process for decreasing the amount of dichloroacetyl chloride contained in monochloroacetyl chloride by treating monochloroacetyl chloride containing dichloroacetyl chloride with water, an alcohol or a carboxylic acid followed by separation of monochloroacetyl chloride by distillation from the mixture thus obtained. Monochloroacetyl chloride is used for the production of plant protection agents.