Tags: Chemical Compound, Chemical Substance.
Sodium benzoate has the chemical formula NaC7H5O2; it is a widely used food preservative with E number E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid. Benzoic acid occurs naturally at low levels in cranberries prunes greengage plums cinnamon ripe cloves and apples.
