Butyric anhydride

Butyric anhydride (butanoic anhydride) is a chemical compound with the formula (CH3CH2CH2CO)2O. It is a clear colorless liquid that smells strongly of butyric acid, formed by its reaction to moisture in the air. Butyric anhydride (butanoic anhydride) is a chemical compound with the formula (CH3CH2CH2CO)2O. It is a clear colorless liquid that smells strongly of butyric acid, formed by its reaction to moisture in the air. Butyric anhydride is a combustible, corrosive liquid. It is considered water sensitive.