Sodium Metabisulfite Industrial Grade
General Usage:
Sodium Metabisulfite Industrial Grade
Product Description:
CAS No: 7681-57-4
EINECS No.: 231-673-0
Molecular formula: Na2S2O5
Purity: 90%~99%min
Appearance: White or Yellowish crystalline powder
Production Capacity: 50,000MT per year
H.S Code: 28321000
Port: Yueyang, China
Payment Terms: L/C, T/T, D/P
EINECS No.: 231-673-0
Molecular formula: Na2S2O5
Purity: 90%~99%min
Appearance: White or Yellowish crystalline powder
Production Capacity: 50,000MT per year
H.S Code: 28321000
Port: Yueyang, China
Payment Terms: L/C, T/T, D/P
Specification of Sodium Metabisulfite
| Item | Superior Grade | First Grade |
| Content（Na2S2O5）, % | ≥ 96.5 | ≥ 95 |
| Iron content（as Fe）, % | ≤ 0.005 | ≤ 0.01 |
| Water insoluble | ≤0.05 | ≤0.05 |
| Arsenic content (as As), % | ≤ 0.0001 | — |
Usage of Sodium Metabisulfite Industrial Grade:
1. A mordant in painting and dying
2. Dechlorination agent for fabric after bleaching
3. Chemical and pharmaceutical reducing agents and sulfonating agents
4. Bleaching agent for bamboo, wood and paper fibers
5. Mineral separation agent for Nonferrous metal
6. Treatment agent for waste water
7. Rubber solidifying agent
Transportation of Sodium Metabisulfite:
1. A mordant in painting and dying
2. Dechlorination agent for fabric after bleaching
3. Chemical and pharmaceutical reducing agents and sulfonating agents
4. Bleaching agent for bamboo, wood and paper fibers
5. Mineral separation agent for Nonferrous metal
6. Treatment agent for waste water
7. Rubber solidifying agent
Transportation of Sodium Metabisulfite:
