Sodium Benzoate - CAS 532-32-1 C7H5NaO2 Molecular Formula E211 Food Preservative Bacteriostatic and Fungistatic Properties

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CAS: 532-32-1
Molecular formula: C7H5NaO2
Molecular weight:144.1

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.

Sodium benzoate is a preservative. As a food additive sodium benzoate has the E number E211. It is bacteriostatic and fungistatic under acidic conditions. It is most widely used in acidic foods such as salad dressings (vinegar) carbonated drinks (carbonic acid) jams and fruit juices (citric acid) pickles (vinegar) and condiments. It is also used as a preservative in medicines and cosmetics. Concentration as a preservative is limited by the FDA in the U.S. to 0.1% by weight. Sodium benzoate is also allowed as an animal food additive at up to 0.1% according to AFCO's official publication. Clients can avail this Sodium Benzoate at industry leading prices from us.