白色结晶粉末 

熔点 >300 °C(lit.) 

沸点 >300 °C(lit.)

品级Grade                               离子对试剂  
                                    (for ion pair chromatography)
外观Appearance                          白色结晶粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity（以干基计）                  ≥99.0% (Ion exchange titration)  
干燥损失Loss on drying                  <2 % (150°C)
λ C=0.33 M in water
紫外吸光值UV absorption
210 nm A:                              <0.08  
220 nm A:                              <0.05  
230 nm A:                              <0.03  
260 nm A:                              <0.02
500 nm A:                              <0.02
RP梯度测试RP gradient test              Passes
膜过滤测试Membrane filtration test      Passes test on 0.4 M sol

98%：

外观Appearance                                 White Powder
红外光谱Infrared spectrum              Conforms to Structure
纯度Purity(Ion exchange titration)    ≥98.0 %  
水溶性Solubility                                  Clear，Colorless，c = 100 mg/ml; H2O
水分Water (by Karl Fischer)             ≤2.0 %
碳Carbon (anhydrous)                      43.5 - 45.3 %
钠Sodium (Na) anhydrous               10.1 - 11.1 %

危险品标志  Xi,C,F
安全说明  22-24/25-45-36/37/39-26-16
WGK Germany  3
危险类别码  36/37/38-34-11
海关编码  29041000