熔点 ~170 °C (dec.)
比旋光度 -15 o (c=2, H2O)
折射率 -15 ° (C=2, H2O)
质量标准
Test Items Standard
Appearance White to off-white microcrystalline powder
Assay Not less than 99.0%
Specific Rotation [α]20/D -22~-24°(C=2 CH3OH)
Melting Point (Celsius Degree) 171-173℃