Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 94°C | Solubility in water [% weight] | Soluble in water |
Colour | White crystalline | Density [g/cm3] | 1.82 |
pH value | 10.3 |
Appearance | A white crystalline powder |
Assay | Min 97.5% |
Loss on ignition (at 600°C) | Max 1.0% |
Chloride (Cl) | Max 0.01% |
Sulphate (SO4) | Max 0.02% |
Iron (Fe) | Max 0.001% |
Lead (Pb) | Max 0.002% |