Appearance | White powder |
Purity / Analysis Method | 100.0% (by Potentiometry) (ODB) |
Melting Point | about 144.0 °C |
Loss on drying | NMT 0.5% |
Sulphated ash | NMT 0.1% |
pH | 4.5 – 6.0 |
Solubility | Soluble in water; Freely soluble in methanol; Sparingly soluble in ethanol (96%) |