Appearance | White or almost white powder |
Assay by chemical | 100.0 (ODB) |
Melting point | 150°C to 153°C |
Sulfated ash | Max. 0.1 % |
Loss on drying | Max. 0.5 % |
Solubility | Practically insoluble in water, slightly soluble in ethanol (96 per cent) in methanol and in methylene chloride. |