Acetic anhydride

C4H6O3CAS 108-24-7102.09 g/mol

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Acid anhydride

Properties

Molecular formula
C4H6O3
Molar mass
102.09 g/mol
Exact mass
102.0317 Da
Density
1.082 g/mL (at 20 °C)
Melting point
−73 °C
Boiling point
139.5 °C
Flash point
48.9 °C (closed cup)
Water solubility
120 g/L (20 °C)
logP
0.10Crippen estimate
Polar surface area
43.4 Ų
H-bond donors / acceptors
0 / 3
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Irritant (GHS07)

Harmonised EU classification (CLP Annex VI, index 607-008-00-9), via PubChem.

Precautionary statements

P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P330, P363, P370+P378, P403+P235, P405, P501

Identifiers

CAS number
108-24-7
SMILES
CC(=O)OC(C)=O
InChIKey
WFDIJRYMOXRFFG-UHFFFAOYSA-N
InChI
InChI=1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3

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Names and synonyms

8 names
  • Acetic acid, 1,1′-anhydride
  • Acetic acid, anhydride
  • Acetic oxide
  • Acetyl oxide
  • Ethanoic anhydride
  • Acetyl anhydride
  • Acetyl ether
  • Acetyl acetate

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 108-24-7. Each row opens the sheet with its composition and PDF.

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Work with Acetic anhydride

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Tetraacetoxysilane562-90-356 % similar Methyl acetate79-20-956 % similar Isopropenyl acetate108-22-556 % similar Glycol diacetate111-55-753 % similar Peracetic acid79-21-053 % similar Dimethyldiacetoxysilane2182-66-350 % similar Trimethylsilyl acetate2754-27-050 % similar Methyltriacetoxysilane4253-34-350 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

Propylene carbonate108-32-7 Methyl (2R)-2-oxiranecarboxylate111058-32-3 3-Oxetanecarboxylic acid114012-41-8 (4R)-4-Methyl-1,3-dioxolan-2-one16606-55-6 1-Hydroxy-1-cyclopropanecarboxylic acid17994-25-1 α-Hydroxy-γ-butyrolactone19444-84-9 Trimethylene carbonate2453-03-4 P-Dioxanone3041-16-5

Elsewhere

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