Acetic anhydride, 99.0+%

CAS Number: 108-24-7

Linear Formula: (CH3CO)2O

Molecular Weight: 102.09

IUPAC Name: Ethanoic anhydride, Acetic anhydride

Other Names: Ethanoyl ethanoate, Acetic acid anhydride, Acetyl acetate, Acetyl oxide, Acetic oxide

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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 as a reagent in organic synthesis. It is a colorless liquid that smells strongly of acetic acid, which is formed by its reaction with moisture in the air.

As indicated by its organic chemistry, Acetic anhydride is mainly used for acetylations leading to commercially significant materials. Its largest application is for the conversion of cellulose to cellulose acetate, which is a component of photographic film and other coated materials, and is used in the manufacture of cigarette filters.

Similarly it is used in the production of aspirin (acetylsalicylic acid), which is prepared by the acetylation of salicylic acid. It is also used as a wood preservative via autoclave impregnation to make a longer-lasting timber.

 
Data sheet
Chemical purity99.0+%
Molecular FormulaC4H6O3
Molecular Weight102.09

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Acetic anhydride, 99.0+%

CAS Number: 108-24-7

Linear Formula: (CH3CO)2O

Molecular Weight: 102.09

IUPAC Name: Ethanoic anhydride, Acetic anhydride

Other Names: Ethanoyl ethanoate, Acetic acid anhydride, Acetyl acetate, Acetyl oxide, Acetic oxide

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