Sodium Metabisulphite
It is used as a preservative and antioxidant in food. It is used as a cleaning agent for potable water desalination systems and used to remove chloramine from drinking water after treatment.
- Synonyms
- Disodium Pyrosulfite, E 223, SMBS, Sodium Bisulfite Anhydrous, Sodium Disulfite, Sodium Hydrogen Sulfite, Sodium Pyrosulfite
- Chemical Formula
- Na2S2O5
- CAS Number
- 7681-57-4
Characteristics
- Molar Weight
- 190.095 g/mol
- Melting Point
- 170 °C
- Density
- 1.310 – 1.370 g/cc
- Forms
- Powder, White, Yellow
Uses and applications
Key applications
- Hair care
- Fabric, textile and leather products
- Water treatment
- Cleaning products
- Preservative
- Wine production
- Pharmaceuticals
- Laundry products
- Building & Construction products