Appearance White fine crystals
Assay 98.0 to 101.0%
Specific Rotation [20/D] 40.5°～+42.5°
Melting point 222～226℃
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%