Specification:
Purity, %, min, 99.0
Loss on drying, % max, 1.5
Chloride (Cl), % max, 0.05
Heavy metal(Pb), % max, 0.001
As, % max, 0.0002
Sulfate(SO4), % max, 0.1

[Appearance]
White granule or crystalline powder, no savor or a bit benzoic savor
[Molecular formula] C7H5NaO2 [Molecular weight] 144.11 [CAS] 532-32-1
[Use] Antiseptic, anti-animalcule and antifreezing agent used in food, medicine, tobacco, plating, printing and dyeing