Sodium Pyrosulfite, Metabisulfite, Disodium Metabisulfite
Food IndustryUsed as bleaching agent, preservative, antioxidant and color fixative for dried fruits, candied fruit, bakery products, beverage, wine and starch products.
Textile IndustryUsed for fabric bleaching, deoxidation, decolorization and printing and dyeing auxiliary.
Water TreatmentUsed for wastewater reduction, dechlorination, decolorization and removal of heavy metals.
Chemical IndustryRaw material for sodium sulfite, sulfur dioxide production; used as reducing agent in chemical synthesis and pharmaceutical intermediates.
Other UsesMining mineral processing, leather tanning bleaching, paper pulp bleaching, electroplating industry additive.
| Item | Standard Specification |
|---|---|
| Sodium Metabisulfite (Na₂S₂O₅) | ≥96.0% / 98.0% |
| Sulfur Dioxide Content | ≥65.0% |
| Moisture | ≤0.5% |
| Water Insoluble Matter | ≤0.05% |
| Iron (Fe) | ≤0.005% |
| Heavy Metal (as Pb) | ≤0.001% |
| pH Value (10% Solution) | 4.0–4.6 |
DSC Trading provides premium-grade Sodium Metabisulfite (SMBS) with a guaranteed purity of 96.5% min. Our product is widely utilized in industrial water treatment as a powerful dechlorinating agent and in the mining industry for effective cyanide detoxification.
Engineered for stability, our SMBS maintains a consistent pH of 4.0-4.8, making it ideal for the textile and leather industries where precise redox reactions are required. With robust packaging designed to prevent hygroscopic clumping, we ensure safe global transit and long-term storage stability for our international B2B partners.
25KG PP ,1000KG PP | 27 MT per 20'FCL (without pallets) / 25 MT (with pallets)


