4-(Chloromethyl)benzoyl chloride, colorless liquid with molecular formula C8H6Cl2O, is an important pharmaceutical, pesticide, dye and material intermediate. In recent years, due to the increasing application of 4-(chloromethyl)benzoyl chloride as a raw material, Chemicalbook drugs have been used in many fields, and this result has led to an increase in the market demand for 4-chloromethylbenzoyl chloride year by year, so that practitioners can see the broad application prospects of 4-chloromethylbenzoyl chloride.