Physical state at 20 °C | Solid | Odour | Odorless |
pH value | 5 – 7 at 128 g/l at 25 °C | Solubility in water [% weight] | 128 g/l at 20 °C |
Colour | White crystalline | Density [g/cm3] | 2.06 |
Appearance | White crystalline powder |
Assay | Min 98% |
Chloride (Cl) | Max 0.01% |
Nitrate (NO3) | Max 0.01% |
Heavy metal (as Pb) | Max 0.005% |
Iron (Fe) | Max 0.005% |