Sodium Benzoate
Appearance: White granule or crystalline powder,no savor or a bit benzoic savor
Molecular formula: C
7H
5NaO
2
Molecular weight: 144.11
CAS:532-32-1
Use: Antiseptic, anti-animalcule and antifreezing agent used in food, medicine, tobacco, plating, printing and dyeing
Standard packaging: 25kg net bags.
Quality index: in accordance with GB1902-94 standard for edible grade and BP98 and China national codex 2000 for medicinal grade
Item |
GB1902-94 version |
BP98 version |
China pharmacopoeia 2000 version |
Content(base on C7H5NaO2 dry basis),%  |
99.0 |
99.0-100.5 |
99.0 |
Drying loss,%  |
1.5 |
2.0 |
1.5 |
Dissolve |
Meet the stipulation |
Meet the stipulation |
/ |
Transparency and color |
/ |
Meet the stipulation |
/ |
Alkalinity acidity; |
Meet the stipulation |
Meet the stipulation |
Meet the stipulation |
Cchloride (base on Cl), |
500PPm |
200PPm |
/ |
Chloride(base on Cl), |
/ |
300PPm |
/ |
Heavy metal(base on Pb), |
10PPm |
10PPm |
10PPm |
As(base on As), |
2PPm |
/ |
5PPm |
Sulfate (base on SO4), |
1000PPm |
/ |
/ |
Readily oxidizable substance |
Passed the test |
/ |
/ |
o-benzene tricarbonic acid |
Passed the test |
/ |
/ |