Customization: | Available |
---|---|
CAS No.: | 7681-57-4 |
Formula: | Na2s2o5 |
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Sodium Metabisulphite Important Codes:
Product Name |
Sodium Metabisulphite |
MODEL NO |
CC-SMS97 |
CAS NO |
7681-57-4 |
HS Code |
2832100000 |
EINECS NO |
231-673-0 |
Formular |
Na2S2O5 |
Specification:
Sodium Metabisulphite |
|
Items |
Standard |
Appearance |
White Crystal Powder |
Na2S2O5 % |
≥ 97.0% |
Water insoluble matter% |
≤0.05 |
Arsenic (As).% |
≤0.0002 |
Iron(Fe) % |
≤0.005 |
Item |
Quality Index |
|
Food Grade |
Industry Grade |
|
Purity ( As Na2S2O5) |
98.0% min |
97.0% min |
Sulfur Dioxide( SO2) |
65.0% min |
65.0% min |
Arsenic ( As ) |
0.0002% max |
- |
Heavy metals ( As Pb ) |
0.0005% max |
- |
Selenium (Se ) |
0.0005% max |
- |
Iron (Fe) |
0.001% max |
0.002% max |
Water insoluble |
0.02% max |
0.05% max |
PH value |
4.0-4.8 |
4.0-4.8 |
Remark |
Conformed with FCC V and E 223 Standard |
Packaging & Shipping
packing :25kg/bag
shipping:3-7days after receive the payment .
Sodium Metabisulphite Application:
1. Medicine industry: Used for manufacturing trichloromethane, sulphetrone and benzaldohyde.
2. Rubber industry: Used as coagulative agent.
3. Dye-industry: Used as dechlorination agent and cotton boiling-off agent for bleached cotton.
4. Leather industry: It can make leather soft, well-developed, tough water proof, wear-ability Chemical
5. Industry Used for manufacturing hydrochloride hydroxylamine and etc.
6. Light-sensitive industry: Used as developer and others.
7. Flotation reagent, mining industry chemicals