Dibasic Sodium Phosphate heptahydrate USP 5KG | |||
90614SR500 | 248461808BR | ||
USP | 2484618 | ||
7782-85-6 | 42943 | ||
Na2HPO4.7H2O | February 2018 | ||
268.07 | January 2021 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Colorless granular salt. Effloresces in warm, dry air. Its solutions are alkaline to phenolphthalein TS, a 0.1 M solution having a pH of about 9. | Colorless or white, granular or caked salt. Effloresces in warm, dry air. Its solutions are alkaline to phenolphthalein TS, a 0.1 M solution having a pH of about 9. |
2 | Solubility | Passes | Freely soluble in water; very slightly soluble in alcohol. |
3 | Identification A (By Chemical test) | Complies | Gives positive test of Sodium |
4 | Identification B (By Chemical test) | Complies | Gives positive test of Phosphate |
5 | Assay (on dried basis) | 98.52% | 98.00%- 100.5% (Na2HPO4) |
6 | Insoluble Substances | 0.0008% | NMT 20 mg (0.4%) |
7 | Chlorides | NMT 0.06% | 0.06% max |
8 | Sulphate (SO4) | NMT 0.2% | 0.2% max |
9 | Arsenic (As) | NMT 16ppm | 16ppm max |
10 | Heavy metals | NMT 20ppm | 20ppm max |
11 | Loss on drying,130°C | 46.46% | 43.0% - 50.0% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |