Compounds

Sodium benzoate

The sodium salt of benzoic acid and one of the most common food preservatives (E211). The direct industrial descendant of benzoin's historic use in preserving fats and ointments.

· Atlas · Compounds

Sodium benzoate
Rolepreservative salt
FormulaC7H5NaO2
Molecular weight144.10 g/mol
IUPAC namesodium benzoate
XLogP
PubChem CID517055
SafetyPermitted food additive within limits.

Scent facets

  • Odourless.

Also called

  • sodium benzoate
  • 532-32-1
  • Sobenate
  • Antimol
  • Benzoic acid, sodium salt
  • sodium;benzoate

Data: PubChem, GBIF (retrieved 2026-09-09); descriptions by Benjuí.