Butyric anhydride - AbsoluteAstronomy.com

Butyric anhydride, or Butanoic anhydride, is a chemical compound

Chemical compound

A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together...

with the formula

Chemical formula

A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound....

(CH₃CH₂CH₂CO)₂O.It is a colorless liquid that smells strongly of butyric acid

Butyric acid

Butyric acid , also known under the systematic name butanoic acid, is a carboxylic acid with the structural formula CH3CH2CH2-COOH. Salts and esters of butyric acid are known as butyrates or butanoates...

, formed by its reaction with the moisture in the air.

Applications

Because of its odor, butyric anhydride has use as a fumigant to drive bees from their hives in products such as Bee-Go.

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