CASR |
: | 10102-17-7 |
Molecular Formula |
: | Na2S2O3.5H2O |
Molecular Weight |
: | 248.17 |
| Specifications | |
|---|---|
| Appearance: | Colourless solid |
| Aqueous solubility: | Very soluble |
| Assay: | 99.5 - 101.0% |
| pH of a 5% solution at 25.0°c: | 6.0 - 8.4 |
| Insoluble matter: | 0.005% max. |
| Nitrogen compounds(N): | 0.002% max. |
| Sulphate & sulphite (as SO4): | 0.1% max. |
| Sulphide(S): | Passes test |
