Manufacture With Iso Potassium Metabisulfite 98%
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Potassium metabisulfite
1. CAS No.: 16731-55082
2. K2S2O5: 98% min
3. 25kgs per bag
Potassium metabisulfite
Molecular formula: K2S2O5=222.326
Molecular weight: 222.33
CAS Number: 16731-55-8
Product characteristics: The Product was colorless crystal or white crystalline powder with the relative density of 2.34. The melting point was 150-190oC(decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.
| Test item | Unit | Specification |
| K2S2O5 | g/100g | 98% min |
| SO2 | g/100g | 56.0 min |
| K2S2O3 | g/100g | 0.1 max |
| Na | g/100g | 2 max |
| Cl | g/kg | 0.5 max |
| pH-value(10%solution) | - | 3.8-4.8 |
| heavy metal(measured by Pb) | mg/kg | 10 max |
| As | mg/kg | 1 max |
| Cu | mg/kg | 1 max |
| Fe | mg/kg | 5 max |
| Hg | mg/kg | 0.1 max |
| Pb | mg/kg | 1 max |
| Se | mg/kg | 1 max |
| Zn | mg/kg | 1 max |
| K2SO3 +K2SO4 | mg/kg | excess material |
Business Nature
Manufacturer
Year Established
2007
Country/Region
Tianjin, China
Main Products
Sodium Hydrosulphide, Sodium Sulphide, Chemical...
Payment Terms
Doc Against Acceptance (D/A), Doc Against Payment (D/P), Letter of Credit (L/C), Bank wire (T/T)
New Tiger Co., Ltd which is a high-end chemical industry manufacturer and honest exporter in the field of Sodium Sulphide/Hydrosulphide with history of more than 20 years in Tianjin, China. Our factory is located in Gansu province of China with over 100, 000 MT yearly capacity in Sodium Sulphide/Hydrosulphide. Our chemicals are mainly exported to mining companies with high quality and competitive price in more than 100 countries around the world. And our Sodium Sulphide have passed EU REACH registration with annual output ranks first in the world.
