Physical state at 20 °C | Solid | Odour | Odorless |
Colour | White crystalline | Solubility in water [% weight] | soluble in water |
Appearance | White hygroscopic crystalline powder |
Chloride (Cl) | Max 0.005% |
Sulphate (SO4) | Max 0.005% |
Iron (Fe) | Max 0.001% |
Lead (Pb) | Max 0.001% |