noun[mass noun] Chemistry
The anhydride of acetic acid, a colourless pungent liquid used in making synthetic fibres.
- Nitration with nitric acid alone, or in combination with acetic acid, acetic anhydride, or sulfuric acid, are common examples of adding nitro functional groups to aromatic hydrocarbons.
- Second, the alkaloid is refluxed with acetic anhydride for about five hours.
- Opium is turned into heroin through a refining process that requires the application of acetic anhydride, a chemical agent manufactured in Europe, Mexico and the US.
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