外观Appearance white to off-white crystalline powder 红外光谱Infrared spectrometry Conforms to structure 纯度Purity(HPLC) ≥99.0 % 熔点Melting point 150-152 °C 比旋光度Specific rotation [a]20/D -18.0 to -21.0 °(c=10,H2O) 水溶解试验Solubility in Water almost transparency 干燥失重Loss on drying ≤0.5 % 灼烧失重Loss on ignition ≤0.1 %