Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 250 °C | Solubility in water [% weight] | 50 gm in 100 gm of water |
Colour | White crystalline | pH value | 3 – 4 |
Density [g/cm3] | 4.53 | Vapour density | 11 |
Oxidising properties | The substance or mixture is classified as oxidizing with the subcategory 2 |
Appearance | White crystalline powder |
Assay | Min 99.0% |
Insoluble matter | Max 0.005% |
Chloride (Cl) | Max 0.001% |
Calcium (Ca) | Max 0.005% |
Copper (Cu) | Max 0.002% |
Iron (Fe) | Max 0.001% |
Potassium (K) | Max 0.005% |
Sodium (Na) | Max 0.02% |