Nomenclature
CAS number: 75-36-5
Ethanoic acid chloride.
C
2H
3ClO; mol wt 78.50.
C 30.60%, H 3.85%, Cl 45.16%, O 20.38%.
CH
3COCl.
Description and references
Prepd from acetic acid and chlorine in the
presence of phosphorus; from acetic acid and salts of chlorosulfonic
acid; from sodium acetate and sulfuryl chloride. Details of prepn:
Gattermann-Wieland, Praxis des Organischen
Chemikers (de Gruyter, Berlin, 40th ed., 1961) p 111;
A. I. Vogel, Practical Organic Chemistry (Longmans, London, 3rd ed., 1959) p 367. Lab prepn from acetic anhydride
and calcium chloride: Gmünder, Helv. Chim.
Acta 36, 2021 (1953).
Properties
Liquid; pungent odor. Flammable; corrosive. Imparts a green tinge to a colorless
flame. d 1.104. mp 112°. bp 52°. nD20 1.3898. Decomposed violently by water or alc. Miscible with benzene,
chloroform, ether, glacial acetic acid, petr ether. Protect from water.Caution
May cause severe burns. Avoid contact
with skin, eyes, mucous membranes.Use
Acetylating agent; in testing for cholesterol, determn
of H
2O in organic liquids.