Sodium Benzoate E211
Chemical reagent CAS.NO.: 532-32-1 , C7H5NaO2
Sodium benzoate is the sodium salt of benzoic acid. It is approved as a food additive with E 211 number. Sodium benzoate has a bacteriostatic and fungi-static. It is therefore as a food additive for the preservation of food (efficiency optimum at pH < 3.6) used. It is used in pyrotechnics as fuel, usually in connection with fire-promotional potassium perchlorate. In the synthesis of polypropylene, it serves as nucleating agents. It is used in medicine in combination with L-arginine hydrochloride as emergency medicine for the treatment of hyperammonemia.
Chemical Grade Definitions:
Pure p.a – High purity analytical reagents. Suitable for laboratory and general use.
Pure – Good quality chemicals. May be used for most laboratory purposes, educational, domestic, craft applications. Not pure enough to be offered for food.
Technical – Good quality for educational, domestic, handicraft, agricultural applications. Not pure enough to be offered for food.