| Article No. | 05971 |
| Purity | 98% |
| Molecular Formula | Na2HPO4 |
| H.S. Code | 2835.2990 |
| Grade | Extra Pure |
| CAS No. | 7558-79-4 |
| Molecular Weight | 141.96 |
| Shelf Life | 60 Months |
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | Odorless | pH value | 8.9 - 9.2 at 50 g/l at 25 °C | ||||
| Melting point/ Freezing point [°C] | 240°C | Decomposition point [°C] | 240°C | ||||
| Vapour density | 4.9 | Density [g/cm3] | 1.52 | ||||
| Solubility in water [% weight] | Soluble in water | ||||||
| Appearance | White crystalline powder | Assay | 98 - 100.5% |
| pH (5% solution in water) | 8.7 - 9.3 | Substance insoluble in water | Max 0.2% |
| Chloride (Cl) | Max 0.02% | Sulphate (SO4) | Max 0.05% |
| Heavy metal (as Pb) | Max 0.001% | Arsenic (As) | Max 0.0002% |
| Copper (Cu) | Max 0.0025% | Iron (Fe) | Max 0.002% |
| Loss on drying (at 105°C; 4 hrs) | Max 1.0% |