CASR |
: | 10028-24-7 |
Molecular Formula |
: | Na2HPO4.2H2O |
Molecular Weight |
: | 177.99 |
| Specifications | |
|---|---|
| Appearance: | A white or almost white powder or colorless crystals. |
| Solubility: | Soluble in water, practically insoluble in ethanol (96%) |
| Identification A (By Chemical test): | Solution should be slightly alkaline |
| Identification B (By Loss on drying): | 19.5% - 21.0% |
| Identification C (By phosphate ): | A yellow color should develop. |
| Identification D (By sodium): | A dense white precipitate should form. |
| Appearance of solution: | Clear and colorless solution. |
| Reducing substances: | The color of the permanganate should not completely discharge. |
| Monosodium Phosphate: | NMT 2.5% |
| Chlorides: | NMT 400ppm |
| Sulphate (SO4): | NMT 0.1% |
| Arsenic (As): | NMT 4ppm |
| Iron(Fe): | NMT 40ppm |
| Loss on drying,130°C: | 19.5% - 21.0% |
| Assay (Dried substance): | 98.0% - 101.0% |
