Appearance | A white to almost white powder or crystals |
Assay (By HPLC) | 100.1% (ODB) |
Sulphated Ash | NMT 0.1% |
Heavy Metals | NMT 10 ppm |
Melting Range | 172 -175 °C |
Loss on Drying | NMT 0.5% |
pH | 5.2 – 6.2 |
Optical Rotation | -0.05°- +0.05° |
Solubility | Soluble in Methanol; very slightly ethanol; Practically insoluble in water |