Benzoyl chloride 99.5% (CAS 98-88-4) is an organic compound with the chemical formula C ₇ H ₅ ClO. It is a colorless smoky liquid and is commonly used as a dye intermediate, initiator, UV absorber, and pharmaceutical raw material. ‌‌

Chemical information

CAS number 98-88-4

molecular weight 140.567

EINECS number 202-710-8

 
Physical properties

Melting point -1 ℃, boiling point about 197 ℃, density about 1.211 g/cm ³, flash point about 72 ℃, refractive index 1.553 (20 ℃), soluble in organic solvents such as ether, chloroform, benzene, etc.

 
Chemical properties

It undergoes severe hydrolysis or reaction with water, alcohols, amines, etc., producing benzoic acid, benzamide, or benzoate esters, and releasing hydrogen chloride; It is a strong benzoyl reagent that can undergo acylation reactions with alcohols, phenols, amines, carboxylic acids, etc.

 
Main application

Organic synthesis: used as a benzoylation reagent for the preparation of benzoyl peroxide (plastic polymerization initiator), benzophenone (UV absorber), etc.
Pharmaceutical pesticides: intermediates for synthesizing antibiotics (such as ampicillin), nonsteroidal anti-inflammatory drugs, insecticides (such as pyrethroids), and herbicides (such as benzophenone).
Other fields: Used for dyes, fragrances, rubber additives, polymer material modification, and photographic chemicals.

 
Safety and storage

It is a corrosive liquid (UN 1736) and has strong irritants to the skin, eyes, and respiratory tract; Storage should be sealed, away from light, moisture, and kept away from oxidants, alkalis, and alcohols. ‌‌

Products :

CAS 98-88-4, Benzoyl chloride 99.5%, C7H5ClO
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