Structural formula:CH₃COCl

Molecular formula:C₂H₃ClO

Properties:colorless transparent fume liquid, with irritative odor. Melting point :-112℃,
Boiling point :(100Kpa)50.9℃, relative density (d₄²⁰)1.1051,Refractive index （n²⁰D）1.38976.

Quality index:

Uses: material of drug and pesticide, intermediate of water treatment agent and HEDP