| Chemical formula: Na2HPO4 . 2H2O | Molar Mass: 177.99 g/mol |
| Appearance: Colorless liquid | Density: 2.1 g/cm3 (20 °C) |
| Solub. in water: 93 g/I (20 °C) | Melting point: > 92.5 °C |
| pH value: 9.0 – 9.4 (50 g/l, H₂O, 20 °C) | Thermal decomposition: > 92.5 °C |
| Storage temp.: Below +30 °C | Cautions: Maybe irritant |
| R: N/A | S: N/A |
| HS-No.: 2835 22 900 | EC-Index-No.: 231-448-7 |
di-Sodium hydrogen phosphate dihydrate
| Name: di-Sodium hydrogen phosphate dihydrate |
| Grade: BP Analytical Reagent |
| Application: Synthesis, Pharma, Liquid chromatography, pH adjustment |
| Synonyms: Sodium phosphate dibasic, disodium phosphate |
| CAS Number: 10028-24-7 EC Number: 231-448-7 Molar Mass: 177.99 g/mol Chemical Formula: Na2HPO4 . 2H2O |
| Download: Datasheet | CoA | SDS |
Technical Specifications
| Assay (by acidimetry) | 98.0 -101.0 | % | |
| Solubility | Conforms | ||
| Appearance of Solution S | Conforms | ||
| Reducing substances | Conforms | ||
| Chloride | ≤ | 400 | ppm |
| Sulfate | ≤ | 0.1 | % |
| Monosodium phosphate | ≤ | 2.5 | % |
| Loss on drying (105 °C ) | 19.5-21.0 | % | |
| Identification (Sodium) | Conforms | ||
| Identification (Phosphate) | Conforms | ||
| Elemental Impurities & Heavy Metals | See COA | ||
| Residual solvents | See COA |
Order code
| Ordering code | 1 kg | 2.5 kg | 5 kg | 10 kg | 20 kg |
| P.E. | 421.20.01000.02 | 421.20.05000.02 | 421.20.10000.02 | ||
| Glass |
Warning signs
| Hazard Symbol |
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