Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 91 °C | Solubility in water [% weight] | Soluble in water (73%) |
Colour | Orange Crystalline | Vapour density | 10 °C |
Density [g/cm3] | 2.35 | pH value | 3.5-4.0 |
Appearance | Orange crystalline powder |
Assay (iodometric) | Min 98% |
Chloride (Cl) | Max 0.03% |
Sulphate (SO4) | Max 0.2% |
Potassium (K) | Max 0.1% |