Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 180°C | Solubility in water [% weight] | 238.1 g/l at 20 °C – completely soluble |
Colour | White crystalline | pH value | 2.5 – 4.0 |
Density [g/cm3] | 2.4 |
Appearance | White crystalline powder |
Assay | Min 99% |
Chloride (Cl) | Max 0.01% |
Calcium (Ca) | Max 0.005% |
Cadmium (Cd) | Max 0.005% |
Cobalt (Co) | Max 0.005% |
Copper (Cu) | Max 0.005% |
Iron (Fe) | Max 0.005% |
Potassium (K) | Max 0.01% |
Nickel (Ni) | Max 0.005% |
Heavy metal (as Pb) | Max 0.005% |
Zinc (Zn) | Max 0.005% |