Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 215 – 225 °C | Solubility in water [% weight] | Soluble in water |
Colour | White powder | pH value | 1.18 |
Density [g/cm3] | 2.15 | Vapour density | 3.3 |
Appearance | White powder |
Assay (alkalimetric) | Min 99% |
Residue on ignition | Max 0.2% |
Chloride (Cl) | Max 0.01% |
Sulphate (SO4) | Max 0.1% |