| Article No. | 05975 |
| Purity | 98.5% |
| Molecular Formula | Na2HPO4.12H2O |
| H.S. Code | 2835.2990 |
| Grade | Extra Pure |
| CAS No. | 10039-32-4 |
| Molecular Weight | 358.14 |
| Shelf Life | 60 Months |
| Physical state at 20 °C | Solid | Colour | Colorless crystals | ||||
| Odour | Odorless | pH value | 8.4 - 9.6 at 36 g/l at 25 °C | ||||
| Melting point/ Freezing point [°C] | 34°C | Density [g/cm3] | 1.5 | ||||
| Solubility in water [% weight] | 35.8 g/l at 20 °C | ||||||
| Appearance | Colourless crystals | Assay (acidimetric) | 98.5 - 100.5% |
| pH (5% solution in water) | 9.0 - 9.3 | Chloride (Cl) | Max. 0.01% |
| Sulphate (SO4) | Max. 0.01% | Sodium dihydrogen phosphate (NaH2PO4) | Max. 1.0% |
| Heavy metal (as Pb) | Max. 0.001% | Iron (Fe) | Max. 0.001% |
| Arsenic (As) | Max. 0.0001% | Substance reducing KMnO4 (as O) | Max. 0.02% |
| Loss on drying (at 130°C) | 57 - 61% | Water (by KF) | 57 - 61% |