質(zhì)量標(biāo)準(zhǔn): |
99%,AR: 外觀Appearance 白色結(jié)晶 紅外光譜鑒別Infrared spectrometry Conforms 純度Purity ≥99.0% (中和滴定) 水溶解試驗(yàn)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:
外觀Appearance 白色結(jié)晶 紅外光譜鑒別Infrared spectrometry Conforms 純度Purity 99.0-101% (中和滴定) ee值Enantiomeric excess ≥99.5% 純度Purity ≥99.5% (GC) 水溶解試驗(yàn)solubility in water soluble 100mg/mL, clear, colorless 比旋光度Specific rotation [a]20/D -11.0°~ -13.0°(C=20, H2O) |