Chembur, Mumbai, Maharashtra
- GST NO. : 27AACCA9261A1ZZ
| Business Type | Manufacturer, Exporter |
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.
Specifications
| Sr. No | Parameters | Unit | Specified value |
| 1 | Appearance | Visual observation | A white to An off white-creamy, powder |
| 2 | Odour | Releases SO2, a pungent smell | |
| 3 | Solubility 5% solution in water | % w/v | Soluble & clear solution |
| 4 | pH (5% solution) | % w/v | 3.5 – 5.0 |
| 5 | Purity (as Na2S2O5) | % w/w | Min 95.0 % |
| 6 | SO2% | % w/w | Min 64.0 % |
| 7 | Water insoluble matter | % w/w | Max 0.05% |
| 8 | Iron (as Fe) | % w/w | Max 0.004% |
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