| Appearance | White to off-white powder |
| Specific Rotation [20/D] (C=4 in CH3OH) | +22º to +26º |
| Melting point | 187-190℃ |
| Heavy Metals (Pb) | Not more than 20 PPM |
| Arsenic (As2O3) | Not more than 2 PPM |
| Loss on Drying | Not more than 0.50% |
| Residue on Ignition | Not more than 0.2% |
| Assay | Not less than 98.5% |
