C4H6O3
102.09 g/mol
Industrial ChemicalDanger
ACETIC ANHYDRIDE
CAS108-24-7EC203-564-8
Category
Industrial Chemical
Compound Class
Other
Primary Use
Acetylating and dehydrating agent
Acetic anhydride is a colorless liquid with a strong odor of acetic acid. It is widely used as an acetylating and dehydrating agent in industrial chemical processes, including the production of cellulose acetate and as a reagent in organic synthesis.
Production of cellulose acetateReagent in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:CN Precursor Chemicals Cat.2UN 1988 Convention Table I PrecursorsUS DEA List II Chemicals
CAS 108-24-7
Related Compounds
ReferenceSame Category
3-methyl-2-pyrazolin-5-one
CAS108-26-9
pyrazolone pharmaceutical intermediate
ReferenceSame Category
Succinic anhydride
CAS108-30-5
Chemical intermediate for adhesives and dyes
ReferenceSame Category
Maleic anhydride
CAS108-31-6
Diels-Alder syntheses and copolymerization reactions
ReferenceSame Category
Propylene carbonate
CAS108-32-7
Solvent in industrial manufacturing
Referencestereoisomer of
(2H3)Acetic anhydride
CAS16649-49-3
research compound
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H332Harmful if inhaled
H318Causes serious eye damage
H330Fatal if inhaled
H331Toxic if inhaled
H335May cause respiratory irritation
H290May be corrosive to metals
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
Regulatory Compliance4
Customs Tariff Classification
The international HS code for ACETIC ANHYDRIDE (CAS 108-24-7) is 2915.24.
HS code (international, 6-digit)
2915.24
EU CN code (8-digit)
2915 24 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
acetyl acetate
InChIKey
WFDIJRYMOXRFFG-UHFFFAOYSA-N
SMILES
CC(=O)OC(=O)C
Synonyms (49)
- (Ac)2O
- (MeCO)2O
- ACETIC ANHYDRIDE
- Acetanhydride
- Acetic acid, 1,1'-anhydride
- Acetic acid, anhydride
- Acetic anhydride solution R1
- Acetic anhydride(2,2'-13c2)
- Acetic anhydride, ACS
- Acetic anhydride, p.a.
- Acetic anhydride-1,1'-13C2,d6
- Acetic anhydride-1,1-13C2
- Acetic oxide
- Acetyl acetate
- Acetyl anhydride
- Acetyl ether
- Acetyl oxide
- Acetyltrimethyl-Silane
- Anhydrid kyseliny octove
- Anhydride acetique
- Anhydride acetique [French]
- Anidride acetica
- Anidride acetica [Italian]
- Azijnzuuranhydride
- Azijnzuuranhydride [Dutch]
- Caswell No. 003A
- Essigsaeureanhydrid
- Essigsaeureanhydrid [German]
- Ethanoic anhydrate
- Ethanoic anhydride
- Octowy bezwodnik
- Octowy bezwodnik [Polish]
- acetanhydrid
- acetic acetic anhydride
- acetic acid-acetic anhydride
- acetic anhydrid
- actic anhydride
- diacetyl oxide
- ethanoyl ethanoate