di-Sodium hydrogen phosphate dodecahydrate - 66150
Code: 66150
di-Sodium hydrogen phosphate dodecahydrate
Extra pure, meets analytical specifications of Reagent European Pharmacopoeia, BP, E 339
CAS Number: 10039-32-4
Linear Formula: Na2HPO4 · 12 H2O
Molar Mass: 358.14 g/mol
EC Number: 231-448-7
| Property |
Value |
| Assay |
98.5 - 102.5 % |
| Assay (calculated to the dried substance) |
98.5 - 101 % |
| Assay of NaH2PO4 (calculated to dried substances) |
max. 1.0 % |
| Water (Karl Fischer) |
57.0 - 61.0 % |
| Loss on drying (130°C) |
max. 61 % |
| Water insoluble matter |
max. 0.2 % |
| PH (1 %,20°C) |
8.4 - 9.6 |
| Arsenic (As) |
max. 1 ppm |
| Cadmium (Cd) |
max. 1 ppm |
| Copper (Cu) |
max. 0.002 % |
| Iron (Fe) |
max. 10 ppm |
| Mercury (Hg) |
max. 1 ppm |
| Potassium (K) |
max. 0.005 % |
| Lead (Pb) |
max. 1 ppm |
| Zinc (Zn) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 10 ppm |
| Chloride (Cl) |
max. 10 ppm |
| Fluoride (F) |
max. 10 ppm |
| Sulfate (SO4) |
max. 100 ppm |
| Appearance of the solution |
complying |
| Reducing impurities |
complying |
| Residual solvents |
complying |
| Property |
Value |
| Freezing point |
34 °C |
| Density |
1.52 g/cm3 |
