Vienna, Austria
Sodium metabisulfite , Laboratory grade
Na2S2O5
CAS: 7681-57-4
MOLECULAR FORMULA: Na2S2O5
MOLAR MASS: 190.10 g mol-1
Na2S2O5
| Assay of SO2 | 65 – 67.4 | % | |
| Identification (Sodium) | Conforms | ||
| Identification (Sulfite) | Conforms | ||
| Chloride (Cl) | ≤ | 0.05 | % |
| Limit of thiosulfate | ≤ | 0.05 | % |
| Iron | ≤ | 20 | ppm |
| Ordering code | 1 kg | 2.5 kg | 5 kg | 10 kg | 20 kg |
| P.E. | 429.05.01000.02 | 429.05.05000.02 | 429.05.10000.02 | ||
| Glass |
| File | Title |
|---|
| Chemical formula: Na2S2O5 | Molar Mass: 190.10 g mol-1 |
| Appearance: White to pale yellow solid | Density: 1.48 g/cm3 (20 °C) |
| Solub. in water: 640 g/l (20 °C) | Melting point: 170°C (decompousition) |
| Boiling point: N/A | Flash point: N/A |
| Storage temp.: Below +30 °C | Cautions: Corrosive, irritant |
| R: 31-36/37 | S: 26 |
| HS-No.: 2832100 | EC-Index-No.: 231-673-0 |
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