Sodium Benzoate



Sodium Benzoate

Sodium Benzoate is a widely used food preservative with an E number of E211. It is the sodium form of Benzoic Acid and exists in the form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.


Molecular Formula of Sodium Benzoate



Molecular Structure:











Molecular Weight:

144.10 g·mol−1



  • Preservative
  • Pharmaceutical Applications
  • Used in fireworks as a fuel in whistle mix, a powder that emits a whistling noise when compressed into a tube and ignited.