Molar mass 122.95 g/mol Density 1.66 g/cm³ | Formula C2H3BrO | |
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Acetyl bromide is an acyl bromide compound. As is expected, it may be prepared by reaction between phosphorus tribromide and acetic acid:

As usual for an acid halide, acetyl bromide hydrolyzes rapidly in water, forming acetic acid and hydrobromic acid. It also reacts with alcohols and amines to produce acetate esters and acetamides, respectively.







References
Acetyl bromide Wikipedia(Text) CC BY-SA