Sodium pyrosulphite
CAS No 7681-57-4
Sodium pyrosulphite (CAS 7681-57-4, formula Na2S2O5), also known as sodium metabisulfite, is a crystalline compound from the sulphites category. It is used in various industrial processes requiring a reducing or bleaching agent. OQEMA supplies sodium pyrosulphite in bags and big bags.
- Category
- Salts
- Sub-category
- Sulfur Based Salts
- Formula
- Na2S2O5
- CAS Number
- 7681-57-4
- EINECS
- 2316730
Applications
- Reducing agent in industrial chemical processes
- Bleaching agent in textile and paper processing
- Water treatment for industrial process water
- Chemical intermediate
FAQ
Q: What is sodium pyrosulphite also known as?
A: It is also known as sodium metabisulfite, with the formula Na2S2O5.
Q: What is the CAS number of sodium pyrosulphite?
A: The CAS number is 7681-57-4.
Q: How is it packaged?
A: OQEMA supplies sodium pyrosulphite in bags and big bags.
Available materials
| Material | Packaging | Quantity |
|---|---|---|
| Sodium pyrosulphite big bag | Big Bag | 1200 KG |
| Sodium pyrosulphite bag | Bag | 25 KG |
| Sodium pyrosulphite bag DD | Bag | 25 KG |