Sodium Benzoate I.P is a substance which has the concoction equation NaC7H5O2. It is a broadly utilized sustenance additive, with an E number of E211. It is the sodium salt of benzoic corrosive and exists in this frame when disintegrated in water. It can be delivered by responding sodium hydroxide with benzoic corrosive. Sodium benzoate is delivered by the balance of benzoic acid that which is itself created economically by incomplete oxidation of toluene with oxygen. Sodium Benzoate I.P happens normally, alongside benzoic corrosive and its esters, in numerous foods. Leafy foods can be rich sources, especially berries, for example, cranberry and bilberry, different sources incorporate fish, for example, prawns, and dairy items like drain, cheddar and yogurt.