Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 55 °C | Solubility in water [% weight] | 134g/100ml water |
Colour | Red crystals | Boiling point [°C] | 75°C |
Density [g/cm3] | 1.87 | pH value | 4 at 100 g/l at 20 °C |
Oxidising properties | The substance or mixture is classified as oxidizing with the subcategory 2 |
Appearance | Red to very dark red and red-brown and brown-red crystals |
Assay (ex Co) | 97.0 – 102.0% |
Sulphate (SO4) | Max 0.03% |
Chloride (Cl) | Max 0.005% |
Iron (Fe) | Max 0. 01% |
Nickel (Ni) | Max 0.3% |