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% |