Appearance White powder
Specific Rotation [20/D]
(C=4 in methanol) -22.0 to -26.0°
State of Solution (Transmittance) Not less than 98.0%
Heavy Metals (Pb) Not more than 20 PPM
Iron (Fe) Not more than 10ppm
Arsenic (As2O3) Not more than 2 PPM
Chloride (Cl) Not more than 0.020%
Loss on Drying Not more than 0.35%
Residue on Ignition Not more than 0.2%
Assay 98.0% to 102.0%