Sodium metabisulfite powder is an inorganic compound, which is extensively used as an antioxidant, disinfectant and preservative agent. This is popular as an antioxidant agent, used in various pharmaceutical formulations. Sodium metabisulfite powder is extensively utilized as a food preservative as well as disinfectant of high effectiveness. Since it is a sulfur-based product, it can sterilize the wine, cider and other beverages so as to kill the bacteria as well as to prevent the growth of yeast.
Specification
| Test | Specification | Test Result |
| Appearance | White Crystalline | White Crystalline |
| Solubility | Freely Soluble In Water | Freely Soluble In Water |
| Assay | Min 96.5% | 96.7% |
| Fe % ( Fe) | < 0.005 | < 0.002 |
| Water Insoluble | < 0.05 | < 0.02 |
| Arsenic ( As) Content | < 0.0001 | < 0.0001 |
| Sulphur Dioxide (So2%) | 65% Min | 65% |
