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 |
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 |
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