熔点 168-170°C
比旋光度 57 o (c=1% in H2O)
折射率 57 ° (C=1, H2O)
质量标准
Test Items Standard
Appearance White fine crystals
Assay 98.0 to 101.0%
Specific Rotation [20/D] °~°
Melting point
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%