Sodium Metabisulphite (Na₂S₂O₅)
Specification sheet, applications and enquiry details for Sodium Metabisulphite.
Sulphates
Sodium Metabisulphite
Na₂S₂O₅ · CAS No. 7681-57-4
| Appearance | White crystalline powder |
|---|---|
| Packaging | 25 kg bag · 50 kg bag |
| Indicative MOQ | 5,000 kg |
Product overview
Sodium Metabisulphite is a versatile reducing agent and preservative used across food processing, winemaking and brewing to control oxidation and microbial growth.
Industrial uses include water treatment dechlorination, photographic processing, textile bleaching, pharmaceutical formulation and leather tanning.
Applications
Food preservativeWinemaking & brewingWater treatmentPhotographic industryTextile industryPharmaceutical industryLeather tanning
Chemical properties
| Specification | Assay 88–94% Na₂S₂O₅ |
|---|---|
| Molecular weight | 190.11 g/mol |
| Solubility | Soluble in water |
| CAS number | 7681-57-4 |
