| Article No. | 05429 |
| Purity | 99% |
| Molecular Formula | K2HPO4 |
| H.S. Code | 2835.2400 |
| Grade | Extra Pure |
| CAS No. | 7758-11-4 |
| Molecular Weight | 174.18 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | Odorless | pH value | 8.8 | ||||
| Melting point/ Freezing point [°C] | >465°C | Decomposition point [°C] | >465°C | ||||
| Density [g/cm3] | 2.338 | Solubility in water [% weight] | 1600 g/l (20°C) | ||||
| Appearance | White hygroscopic crystalline powder | Assay (acidimetric; on dried basis) | 98 - 100.5% |
| pH (10% solution in water) | 8.5 - 9.6 | Appearance of solution | Passes test |
| Insoluble matter in water | Max 0.2% | Carbonate | Passes test |
| Chloride (Cl) | Max 0.02% | Fluoride (F) | Max 0.001% |
| Sulphate (SO4) | Max 0.1% | Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.001% | Arsenic (As) | Max 0.0002% |
| Sodium (Na) | Max 0.5% | Potassium hydrogen phosphate (KH2PO4) | Max 3.0% |
| KMnO4 reducing matter (as O) | Max 0.04% | Loss on drying (at 130°C) | Max 1% |
Safety Statement: 22-24/25
EN 