Acetic anhydride is a colorless liquid. On dissolution in water, it undergoes solvolysis to afford acetic acid. It is widely employed as acetylation reagent for the acetylation of various alcohols. Wacher process (starting reagent + a ketene) and Knapsack process (starting reagent = acetaldehyde) have been reported for the industrial preparation of acetic anhydride. It is employed as solvent for various organic reactions.
Molecular Formula: C4H6O3
Molecular Weight: 102.09
Linear Structural Formula: (CH3CO)2O
MDL Number: MFCD00008705
Purity: >=99% (GC)
Melting Point: -73 C (lit.)
Density: 1.08 g/mL (lit.)
Refractive Index: n20/D 1.390 (lit.)
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