Molecular Formula: Na2S2O5
Molecule Weight: 190.10
Appearance: White or light yellow crystalline powder
Specification:
| ITEMS | 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 | |
Main uses:
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
Packaging:
In 25kg or 50kg or 1000kgs net polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
