99%,AR:
外观Appearance 白色结晶
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.0% (中和滴定)
水溶解试验solubility in water soluble 100mg/mL, clear, colorless
水分water ≤3%(K.F)
比旋光度Specific rotation [a]20/D -11.0°~ -13.0°(C=20, H2O)
99.5%,GR:
外观Appearance 白色结晶
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity 99.0-101% (中和滴定)
ee值Enantiomeric excess ≥99.5%
纯度Purity ≥99.5% (GC)
水溶解试验solubility in water soluble 100mg/mL, clear, colorless
比旋光度Specific rotation [a]20/D -11.0°~ -13.0°(C=20, H2O)
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