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Acetic anhydride

CAS Number
108-24-7
EC Number
200-419-0
Molecular Weight
102.09 g/mol

Description

Acetic anhydride (CAS 108-24-7 ) is a high-volume acetylating agent used across chemical manufacturing to introduce acetyl groups into organic compounds. It functions as both a reactive intermediate and a solvent in synthesis processes. In pharmaceuticals, it is a critical intermediate in the production of aspirin, acetaminophen, and various cellulose acetate-based excipients. The textile and paper industries rely on it for acetylating cellulose. This process produces cellulose acetate fibers and coatings with improved dimensional stability. In agrochemical manufacturing, it serves in the synthesis of herbicide and pesticide active ingredients requiring acetylation steps. Plastics producers use it to initiate acetylation of polyvinyl alcohol, yielding polyvinyl acetate and related polymer intermediates. Acetic anhydride is supplied as a clear liquid in bulk quantities for industrial procurement. Available packaging includes ISO tank, drum, and IBC formats suited to large-scale operations. Technical grade is the standard offering for most industrial synthesis and chemical manufacturing applications. Pharmaceutical-grade material meeting USP and BP specifications is available for regulated manufacturing environments. These grades ensure the purity documentation and traceability required for compliance. Contact us for supply of Acetic anhydride Request Quote

Other Names (Synonyms)

ethanoic anhydride | ethanoic anhydrate | acetyl oxide | acetyl ether | acetyl anhydride | acetyl acetate | acetic oxide | acetic acid anhydride

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Safety & Handling

Danger
GHS02· FlammableGHS05· CorrosiveGHS07· IrritantGHS06· ToxicGHS08· Health Hazard

Hazard Statements

H226Flammable liquid and vapor
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H332Harmful if inhaled
H290May be corrosive to metals
H318Causes serious eye damage
H331Toxic if inhaled
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H313May be harmful in contact with skin
H336May cause drowsiness or dizziness
H330Fatal if inhaled