CASR |
: | 6131-90-4 |
Molecular Formula |
: | CH3COONa.3H2O |
Molecular Weight |
: | 136.08 |
| Specifications | |
|---|---|
| Description: | Colorless crystals or a white, crystalline powder. |
| Solubility: | Very soluble in water, soluble in ethanol (96%). |
| Identification A (By Chemical test): | within a few minutes a blue precipitates should be formed or a dark blue should be developed. |
| Identification B (By Chemical test): | A dense white precipitate should be formed. |
| Identification C (By Loss on drying): | 39.0% - 40.5% |
| Appearance of solution: | Solution A should be clear and colorless. |
| pH(5% aq soln): | 7.5-9.0 |
| Reducing substances: | The pink color should persist for at least 1 hour. |
| Chloride(Cl): | NMT 200ppm |
| Sulphate(SO4): | NMT 200ppm |
| Arsenic(As): | NMT 2ppm |
| Calcium(Ca)&Magnesium(Mg): | NMT 50ppm (NMT 0.65ml of 0.02 M sodium edetate is required) |
| Heavy metals: | NMT 10ppm |
| Iron(Fe): | NMT 10ppm |
| Loss on drying at 130°C: | 39.00%-40.5% |
| Assay (on dried basis): | 99.00% - 101.00% |
