Acetic anhydride
CAS 108-24-7C4H6O3102.09 g/mol
Acetic anhydride is an acyclic carboxylic anhydride derived from acetic acid. It has a role as a metabolite and a reagent.
IUPAC: acetyl acetate
PubChem
Physical & Chemical Properties
| Melting Point | -99.6 °F (NTP, 1992) |
| Boiling Point | 283.19 °F at 760 mmHg (NTP, 1992) |
| Density | 1.08 (USCG, 1999) - Denser than water; will sink |
| Solubility | Soluble in cold (greater than or equal to 10mg/ml); Decomposes in hot (NTP, 1992) |
| Flash Point | 121 °F (NTP, 1992) |
| Vapor Pressure | 10 mmHg at 96.8 °F (NTP, 1992) |
| Appearance | Acetic anhydride appears as a clear colorless liquid with a strong odor of vinegar. Flash point 129 °F. Corrosive to metals and tissue. Density 9.0 lb /gal. Used to make fibers, plastics, pharmaceuticals, dyes, and explosives. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2915
Data: UN Comtrade
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