Sodium metabisulfite; Sodium Pyrosulphite; Sodium Pyrosulfite
Na2S2O5
CAS No. 7681-57-4
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Product Information |
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| Grade | 98% |
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Major Impurities |
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| Chloride | <0.005% |
| Copper | <0.001% |
| Lead | <0.001% |
| Zinc | <0.001% |
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Chemical Properties |
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| Molar mass | 190.11 g/mol |
| Density | 1.48 g/cm³ |
| Phase | White Crystalline Powder |
| Melting point | 150 °C |
| Boiling point | |
| Solubility in water | 65.3 g/100 mL (20 °C) |
Precautionary Statement
– Wear PPE (chemical proof overall, protective gloves & eye / face protection.
– If swallowed: rinse mouth & do not induce vomiting.
– If eye / skin contact: rinse continuously with water for several minutes & seek medical attention.
