What is the use of benzoyl chloride (CAS:98-88-4)?

Aug 15, 2025 Leave a message

Benzoyl Chloride (CAS: 98-88-4) is an important intermediate in organic synthesis, with the chemical formula C₇H₅ClO. Its molecular structure contains a reactive acyl chloride group (–COCl), giving it high chemical reactivity. It readily undergoes reactions such as hydrolysis, alcoholysis, and ammonolysis. The main industrial applications of benzoyl chloride are as follows:

 

What is the use of benzoyl chloride (CAS:98-88-4)?

 

Dye and Pharmaceutical Raw Materials
Benzoyl chloride is a key intermediate in the production of dyes, fragrances, organic peroxides, pharmaceuticals, and resins. It is widely used in organic synthesis and in the manufacture of dye and pharmaceutical raw materials.

Initiators and Catalysts
It is used to produce polymerization initiators such as benzoyl peroxide and tert-butyl peroxybenzoate, which play a critical role in polymerization reactions. Benzoyl chloride can also act as a catalyst in the production of polyesters, epoxy resins, and acrylic resins.

Pesticide Production
In the pesticide industry, benzoyl chloride serves as an intermediate for novel induced insecticides, such as the intermediate for isoxathion.

Benzoylation and Benzylation Reagent
Benzoyl chloride is an important benzoylating and benzylating reagent used in the production of benzoyl peroxide, benzophenone, benzyl benzoate, benzyl cellulose, benzamide, and other important chemical raw materials.

 

Other Applications

  • It is also used as a self-curing agent for fiberglass materials, a crosslinking agent for fluorosilicone rubber, and in the refining of oils and fats, flour bleaching, and fiber decolorization.
  • In addition, benzoyl chloride can react with benzoic acid to form benzoic anhydride, which is used as an acylating agent, bleaching agent, and soldering flux component, as well as in the preparation of benzoyl peroxide.

 

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What is the use of benzoyl chloride (CAS:98-88-4)?

benzoyl chloride (CAS:98-88-4)

benzoyl chloride (CAS:98-88-4)

 

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