白色结晶粉末，溶于水、乙醇以及有机溶剂。
熔点  104 °C(lit.)
储存条件  Store at RT. 
溶解度  H2O: 1 M at 20 °C, clear, colorless
水溶解性  soluble 
敏感性  Air Sensitive

项目　                                              生物化学级
                                                           （BC）
红外光谱鉴定Infrared spectrometry       和对照品匹配 
纯度Purity                                        >99.0% (滴定) 
熔点Melting point                           102°C - 106°C 
水不溶物                                          ≤0.01%
重金属Heavy metals (as Pb):      ≤0.0003 %  
pH (1 %; H2O):                                8.8 - 9.6 
等电点pKa 25℃                             6.45-6.65  
干燥失重Water:                              ≤1 %  
铁Fe:                                                ≤0.0005 %  
吸光度A (1 cm/0.1 M in water):   
280 nm:                                 ≤0.04  
340 nm:                                 ≤0.02  
项目                                                  分子生物学级
                                                   （Molecular biology grade）
外观Appearance                          白色或无色结晶
红外光谱鉴定Infrared spectrometry       和对照品匹配 
纯度Purity                                           >99.0% (滴定) 
熔点Melting point                               102°C - 106°C 
水不溶物                                             ≤0.01%
重金属Heavy metals (as Pb):         ≤0.0003 %  
pH (1 %; H2O):                                   8.8 - 9.6 
等电点pKa 25℃                                 6.45-6.65  
干燥失重Water:                                   ≤1 %  
铁Fe:                                                   ≤0.0005 %  
吸光度A (1 cm/0.1 M in water):   
280 nm:                                              ≤0.04  
340 nm:                                              ≤0.02  
DNA酶 DNase                                  无 
蛋白酶 Protease                               无 
RNA酶 RNase                                  无

WGK Germany  3
F  10-23 
海关编码  29221980 
危险品标志  Xi,Xn 
危险类别码  36/37/38-21/22-20/21/22 
安全说明  26-36-36/37/39-22