Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | >= 300 °C | Solubility in water [% weight] | Soluble in hot water |
Colour | Reddish crystalline |
Appearance | Orange to very dark orange powder |
Assay (alkalimetric) | Min 98% |
Identity (IR) | Conforms to structure |