Article No. | 05357 | Grade | AR/ACS |
Purity | 99.5% | CAS No. | 7778-77-0 |
Molecular Formula | KH2PO4 | Molecular Weight | 136.09 |
H.S. Code | 2835.2400 | Shelf Life | 60 Months |
Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 253 °C | Solubility in water [% weight] | Soluble in water |
Colour | White crystalline | pH value | 4.5 |
Density [g/cm3] | 2.338 | Decomposition point [°C] | 253 °C |
Boiling point [°C] | 377 °C |
Appearance | White crystalline powder |
Assay (acidimetric) | Min 99.5% |
pH (5% solution in water; 25°C) | 4.1 – 4.5 |
Insoluble matter in water | Max 0.01% |
Chloride (Cl) | Max 0.001% |
Sulphate (SO4) | Max 0.003% |
Total nitrogen (N) | Max 0.001% |
Heavy metals (by ICP-OES) | Max 0.001% |
Iron (Fe) | Max 0.001% |
Sodium (Na) | Max 0.005% |
Loss on drying (at 105°C; 2 hrs) | Max 0.2% |