CASR |
: | 7775-14-6 |
Molecular Formula |
: | Na2S2O4 |
Molecular Weight |
: | 174.1 |
| Specifications | |
|---|---|
| Description: | White free flowing crystalline powder. |
| Solubility: | 10% solution in water is clear and colourless, which rapidly absorbs oxygen and becomes turbid. |
| Assay(iodometric): | min.87.0% |
| pH(5% aq soln): | 5.5-7.0 |
| Loss on drying,105°C: | 1%max |
| Iron(Fe): | 0.002%max |
