Sodium disulfite A.G. 1000 g (12720-31000)
Chemical formula: Na₂S₂O₅
Molar mass: 190.10 g/mol
CAS: 7681-57-4
EINECS: 231-673-0
Specification
| Appearance | white crystalline substance |
| Assay | min. 98,0 % |
| Chloride (Cl⁻) | max. 0,005 % |
| Fe (Iron) | max. 0,001 % |
| Heavy metals (as Pb) | max. 0,001 % |
| pH (5% water solution, 20 °C) | 3,5 - 5,0 |
Classification of the substance in accordance with Regulation (EC) No 1272/2008
GHS Hazard Pictograms
Hazard statements: 302, 318
Precautionary statements: 280, 305+351+338
EUH statements: 031
Signal word: Danger