Sodium benzoate Other names: benzoic acid sodium salt Cas no.: 532-32-1 Molecular formula: c7h5nao2 Molecular weight: 144.1 Einecs: 208-534-8 Place of origin:china Type:preservatives White:powder Packed in 25kg net bags It is a widely used food preservative. It is used as a treatment for urea cycle disorders due to its ability to bind amino acids and used to treat hyperammonemia. It is also used in fireworks as a fuel in whistle mix, a powder that emits a whistling noise when compressed into a tube and ignited