Sodium benzoate
CAS 532-32-1

EINECS 208-534-8

MF:C7H5NaO2

MW:144.1032

Purity: 99% min

Appearance:White granule or crystalline powder, no savor
Loss on drying: 2.0%max
Acidity or alkalinity: Meet the requirements
Ferric chlorides: 0.02%max
Total chlorides: 0.03%max
Heavy metal: 0.001% max
As: 0.0002% max
Properties:
White granule or crystalline powder, odorless or slight benzoic scent, slight sweet taste and owns astringency. It is stable in air and easy to dissolve in water and aqueous solution is slightly alkaline. Additionally, it is slightly dissolved in ethanol.
Applications: 1. Owning antibacterial action, sodium benzoate is widely used as preservative of food, medicine, cosmetics, toothpaste, spice, tobacco and feedstuff and its addition level is according to GB2760-86.2. It is used as raw material of plasticizer.