Acetic Anhydride

Definition - What does Acetic Anhydride mean?

Acetic Anhydride is a colorless chemical compound that has a strong smell of acetic acid which is generated when it comes in contact with the moisture in the air. It is also known as Ethanoic Anhydride. The chemical formula of Acetic Anhydride is (CH3CO)2O. Acetic Anhydride is one of the simplest isolable anhydride of carboxylic acid which is commonly used in organic synthesis as a reagent.

Petropedia explains Acetic Anhydride

Acetic Anhydride has a non-polar structure along with flexible molecules. The Flash point of acetic anhydride is 129 degrees Fahrenheit and is corrosive to metals when brought in direct contact with them.

Some of the properties of Acetic Anhydride are as follows:

  • IUPAC name is Acetyl Acetate
  • Molecular Formula is C4H6O3
  • Molar Mass is 102.09 g/mol
  • Density is 1.082 grams per cubic cm
  • Melting point is -73 degree Celsius
  • Boiling point is 139.8 degree Celsius
  • Solubility in water is 2.6 g per 100 mL
  • Vapor pressure is 4mmHg (20 degree Celsius)
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