外觀Appearance                          白色結(jié)晶粉末
熔點(diǎn)Melting point                       205°C - 207°C
純度Purity                              ≥97.0% (NT)
水溶解試驗(yàn)solubility in water           合格

品級(jí)Grade                               色譜純  
                                        (HPLC)
外觀Appearance                          白色至米黃色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.0% (T)  
熔點(diǎn)Melting point                       205°C - 207°C
λ 10 % in H2O
UV absorption
  λ: 260 nm                             ≤0.05
  λ: 270 nm                             ≤0.04
  λ: 280 nm                             ≤0.03
  λ: 290 nm                             ≤0.02
  λ: 500 nm                             ≤0.02
RP梯度測(cè)試suitability for RP gradient test pass