Sodium Metabisulfite (Na₂S₂O₅) is an inorganic compound widely used in various industries due to its preservative, antioxidant, and disinfectant properties. It is a white crystalline powder with a slight sulfur odor and is highly soluble in water. Sodium metabisulfite is commonly encountered in food preservation, water treatment, photography, and other industrial applications.
| Parameter | Specification |
|---|---|
| Sodium Metabisulphite (Na₂S₂O5) | ≥ 96.5% |
| Fe | ≤ 0.005% |
| Water insoluble | ≤ 0.05% |
| As | ≤ 0.0001% |
| Heavy metal (Pb) | ≤ 0.0005% |
| Ph value | ≤ 4.0-5.0 |
| SO2 | ≥ 65% |
| Appreance | White to slightly yellowwish crystialline powder |
