Product name: Diketene 

Cas No.: 674-82-8

EINECS NO： 211-617-1

Formula: C4H4O2

Structure Formula: 

M.W.： 84.07

Characters Colorless with stimulating odor flammable liquid. rRlative density: 1.0897g/ ml (20/20 ℃), melting point: -6.5 ℃, boiling point: 127.4 ℃, refraction nD (20 ℃): 1.4379, specific heat capacity: 0.1990kJ / (kg • ℃), flash point: 33.9 ℃. Soluble in water and common organic solvents. Chemical propery is lively.

Main Uses: Used as organic materials and the raw materials of plasticizer, dye, synthetic fiber, pesticide.