3053. 2,2-Dichloroacetyl Chloride

Nomenclature

CAS number: 79-36-7
Dichloroethanoyl chloride.
C2HCl3O; mol wt 147.39.
C 16.30%, H 0.68%, Cl 72.16%, O 10.86%.
Cl2CHCOCl.

Description and references

Prepd from pentachloroethane: Ott, DE 362748 (1922 to Weiler ter Meer); from chloroform and carbon monoxide in presence of aluminum chloride at high pressure (21% yield): Frank et al., Ind. Eng. Chem. 41, 2061 (1949). Toxicity study: Smyth et al., Arch. Ind. Hyg. Occup. Med. 4, 119 (1951).

Properties

Liquid. Fumes in air; acrid, penetrating odor. d416 1.5315. bp760 107-108°; bp739 106-107°. nD16 1.4638. Dec upon contact with water, alcohol. Miscible with ether. LD50 orally in rats: 2.46 g/kg (Smyth).

Caution

Irritating to eyes, mucous membranes.