Diketene
Compounds
Diketene is an organic compound with the molecular formula C₄H₄O₂, and which is sometimes written as (CH₂CO)₂. It is formed by dimerization of ketene, H₂C=C=O. Diketene is a member of the oxetane family. It is used as a reagent in organic... Wikipedia
Formula: C4H4O2
Molar mass: 84.08 g/mol
Density: 1.09 g/cm³
Boiling point: 260.6°F (127°C)
Autoignition temperature: 275
UN number: 2521
Viscosity: 0.88 mPa.s