Molecule record

sodium benzoate

C7H5NaO2

144.10 g/mol

2D structure for sodium benzoate

Molecular properties

Formula
C7H5NaO2
Molar mass
144.10 g·mol−1
Exact mass
144.0187 Da
5.5
0
2
40.10 Ų
CAS
532-32-1
PubChem CID
517055

Interactions

Polarity
Often polar; exact polarity depends on size, substitution, and ionization state.
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

Alkene
Aromatic ring
Phenol

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • 532-32-1
  • AI3-07835
  • Antimol
  • Benzoan sodny
  • Benzoate of soda
  • Benzoate sodium
  • Benzoesaeure (na-salz)
  • Benzoic acid, sodium salt
Show all 22 synonyms
  • DTXCID90140
  • DTXSID1020140
  • E211
  • EPA Pesticide Chemical Code 009103
  • FEMA No. 3025
  • Fuminaru
  • INS NO.211
  • INS-211
  • Microcare sb
  • Natrium benzoicum
  • OJ245FE5EU
  • PUROX S
  • Sobenate
  • sodium;benzoate

Structure identifiers

Canonical SMILES
C1=CC=C(C=C1)C(=O)[O-].[Na+]
Isomeric SMILES
C1=CC=C(C=C1)C(=O)[O-].[Na+]
InChI
InChI=1S/C7H6O2.Na/c8-7(9)6-4-2-1-3-5-6;/h1-5H,(H,8,9);/q;+1/p-1
InChIKey
WXMKPNITSTVMEF-UHFFFAOYSA-M
PubChem CID
517055

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

Simulated FTIR trace

Predicted FTIR / %T

4 cm-1 resolution / deterministic instrument profile

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

Peak assignments

3350 cm−1broad O-H (simulated)
1645 cm−1C=C alkene (simulated)
3030 cm−1aromatic C-H (simulated)
1600 cm−1aromatic C=C (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for sodium benzoate; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for sodium benzoate; not experimental data.

Sources

Molecule identity

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

simulated IR

ChemForge original educational simulation.

Open source record
sodium benzoate - Formula, Structure, IR and spectroscopy data | ChemArche