Potassium metabisulfite; Potassium Pyrosulfite; Potassium Pyrosulphite
K2S2O5
CAS No. 16731-55-8
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Product Information |
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| Grade | 96% |
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Major Impurities |
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| Chloride | <0.005% |
| Lead | <0.005% |
| Copper | <0.005% |
| Zinc | <0.005% |
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Chemical Properties |
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| Molar mass | 222.32 g mol−1 |
| Density | 2.34 g/cm³ |
| Phase | White crystalline Powder |
| Melting point | 190 °C |
| Boiling point | |
| Solubility in water | 450 g/l (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.
