Acetic anhydrideAcetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is one the simplest anhydrides of a carboxylic acid and is widely used in the production of cellulose acetate and heroin, as well as a reagent in organic synthesis. Read from the Chembox of the Wikipedia article Acetic anhydride, revision 1380135553.

Property

Value

Formula

C4H6O3, 102.09 g/mol

Melting point

-73.1 °C

Boiling point

139.8 °C

Density

1.082 g/cm³

Flash point

49 °C

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