Disodium phosphate monohydrate USP 500GM | |||
11613SG500 | 376681830DV | ||
USP | 3766818 | ||
118830-14-1 | 84835 | ||
Na2HPO4.H2O | April 2022 | ||
159.94 | March 2025 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White powder that readily absorbs moisture. | White powder that readily absorbs moisture. |
2 | Solubility | Passes | Freely soluble in water; insoluble in alcohol. |
3 | Identification A (By Chemical test) | Complies | A dense precipitate should form. |
4 | Identification B (By Chemical test) | Complies | A neutral solution should yield yellow precipitate that soluble in 2N nitric acid and 6 N ammonium hydroxide |
5 | Assay (on dried basis) | 99.8% | 98.0% - 100.5% (Na2HPO4) |
6 | Insoluble Substances | 1.2mg | NMT 20mg (0.4%) |
7 | Chlorides | Less than 0.06% | NMT 0.06% |
8 | Sulphate (SO4) | Less than 0.2% | NMT 0.2% |
9 | Arsenic (As) | Less than 16ppm | NMT 16ppm |
10 | Loss on drying,130°C | 11.3% | 10.3% - 12.0% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |