Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 110 – 112 °C | Solubility in water [% weight] | 127.1 g/l at 20 °C |
Colour | Colorless crystlas |
Appearance | White crystalline powder |
Assay (by NaOH titration) | Min 99% |
Residue on ignition | Max 0.1% |
Iron (Fe) | Max 0.005% |
Heavy metal (as Pb) | Max 0.01% |
Chloride (Cl) | Max 0.01% |