Title: p-Chlorophenacyl Bromide

CAS Registry Number: 536-38-9

CAS Name: 2-Bromo-1-(4-chlorophenyl)ethanone

Additional Names: 2-bromo-4¢-chloroacetophenone; 4-chloro-w-bromoacetophenone; a-bromo-p-chloroacetophenone

Molecular Formula: C8H6BrClO

Molecular Weight: 233.49

Percent Composition: C 41.15%, H 2.59%, Br 34.22%, Cl 15.18%, O 6.85%

Literature References: Prepn from bromoacetyl chloride, chlorobenzene, and AlCl3: Collet, Compt. Rend. 125, 718 (1897); by bromination of p-chloroacetophenone: idem, Bull. Soc. Chim. Fr. [3] 21, 69 (1899). Toxicity study: Dat-Xuong et al., Med. Exp. 11(3), 137 (1964).

Properties: Needles, mp 96-96.5°. LD50 orally in mice: >2000 mg/kg (Dat-Xuong).

Melting point: mp 96-96.5°

Toxicity data: LD50 orally in mice: >2000 mg/kg (Dat-Xuong)

Use: In the prepn of quaternary salts of methenamine and of chlorophenol glyoximes.