Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent.
Product Specifications
| Purity | SO2 | Water Insoluble | Iron |
|---|---|---|---|
| 96% MIN | 65% MIN | 0.05% max. | 50ppm max. |
