Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is the simplest isolable anhydride of a carboxylic acid and is widely used ...

In a 1958 patent to Celanese (New York City), inventor Arthur W. Schnizer reported the reaction of acetaldehyde and acetic anhydride with a benzenesulfonic acid catalyst to produce vinyl acetate with ...

However, these methods have the problem of low yield and the necessity of esterification, hydrolysis and dehydration with acetic anhydride before and after the reacting process. As the most ...

"The seized materials included 650 kilograms of Sodium Carbonate Anhydrous, 39 kilograms of Acetic Anhydride, and 3.2 kilograms of a white powder identified as calcium oxide. These chemicals are ...