Sodium Hydrosulphite
Product Description
| Product | Sodium Hydrosulphite |
| CAS | 7775-14-6 |
| Formula | NaO2SSO2Na |
| Synonym | Disodium dithionate, Dithionous acid, sodium salt (1:2), Sodium dithionite |
Typical Product Specifications
| Sensoric | Free-flowing white crystalline powder |
| Odor | None or slight scent of sulfur dioxide |
| Purity | (Na2S2O4): 88% min --- 90% min |
| Solubility (grams/100 g water) at 100°C | Water insoluble 0.1 % Max --- 0.1 % Max |
| Na2S2O3 (sodium thiosulfate) | 0.8% Max |
| Na2S2O5 (sodium metabisulfite) | 1 - 5% Max |
| NaHSO3 (sodium bisulfite) | 0.1% Max |
| Na2CO3 (sodium carbonate) | 1 – 5% max |
| HCOONa (sodium formate) | 0.05% max |
| Zinc | 0.001% Max |
| Iron | 0.005% Max |
| Chemical Structure |  |
| Notes | Package: 25kg/50kg/100kg net in iron drums with double inner poly
90% minimum Assay also available Use: REDUCING, |
| Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more |
| Industry | Plating, Industrial, Water Treatment |
Find another Material
Enter a chemical name, synonym or CAS# below
