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Molecule record

ACETIC ANHYDRIDE

C4H6O3

102.09 g/mol

2D structure for ACETIC ANHYDRIDE

Molecular properties

Formula
C4H6O3
Molar mass
102.09 g·mol−1
Exact mass
102.0317 Da
2
0
3
43.40 Ų
-0.1 (PubChem computed XLogP3-AA descriptor)
CAS
108-24-7
PubChem CID
7918

Interactions

Polarity
Polar functional group with nonpolar contribution from the carbon skeleton.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Anhydride
Ester

Physical properties

PropertyValueConditionsSource
Logp-0.1PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 108-24-7
  • 2E48G1QI9Q
  • Acetanhydride
  • Acetic acid, 1,1'-anhydride
  • Acetic acid, anhydride
  • Acetic oxide
  • Acetyl acetate
  • Acetyl anhydride
Show all 21 synonyms
  • Acetyl ether
  • Acetyl oxide
  • Anhydrid kyseliny octove
  • Anhydride acetique
  • Anidride acetica
  • Azijnzuuranhydride
  • CHEBI:36610
  • DTXCID704395
  • DTXSID0024395
  • Essigsaeureanhydrid
  • Ethanoic anhydrate
  • Ethanoic anhydride
  • Octowy bezwodnik

Structure identifiers

Canonical SMILES
CC(=O)OC(=O)C
Isomeric SMILES
CC(=O)OC(=O)C
InChI
InChI=1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChIKey
WFDIJRYMOXRFFG-UHFFFAOYSA-N
PubChem CID
7918

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

IR spectrum

ChemArche Original Educational Content(redistributable)

Simulated FTIR trace

Predicted FTIR / %T

4 cm-1 resolution / deterministic instrument profile

Hover for cursor
4000350030002500200015001000500100500wavenumber (cm−1)transmittance (%)

Peak assignments

1740 cm−1C=O ester (simulated)
1180 cm−1C-O ester (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for ACETIC ANHYDRIDE; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for ACETIC ANHYDRIDE; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)

simulated IR

ChemForge original educational simulation.

ChemArche Original Educational Content(redistributable)
Open source record