外觀Appearance White to tan crystals or powder 紅外光譜鑒別Infrared spectrometry Conforms to structure 純度Purity(HPLC) ≥98.0 % 純度Purity(Nonaqueous Titration) 97.5 - 102.5 % 熔點(diǎn)Melting point 171.0 - 175.0 °C 比旋光度Specific rotation [a]20/D +180.0 to +200.0 °(C=1,CH2Cl2)