针状体结晶溶于乙醇、乙酸、碱溶液和氨，微溶于热水、乙醚和氯仿,与浓硫酸作用呈蓝色荧光。
熔点：185-186℃

项目                                       激光级
                                           (laser grade)
外观Appearance                             类白色结晶粉末
红外光谱鉴定Infrared spectrometry          和对照品匹配  
λ max                                      322 nm (in methanol) 
摩尔吸收率Molar absorption coeff.          14700 l/(mole.cm) (λ max.) 
荧光Fluorescence max                       386 nm (in methanol) 
光学激发Optimum lasing                     494 nm (in methanol) 
激光染料实验Suitability test               合格  (for use as a laser dye)
目                                        分析纯                 分析方法
                                             (AR)
外观Appearance                                           白色至浅灰色色结晶粉末
红外光谱鉴定Infrared spectrometry           和对照品匹配 
熔点Melting point                                         186°C - 191°C 
纯度Purity                                                      ≥97.0%                (HPLC) 
热甲醇溶解性实验Solubility in Methanol      溶液透明
水分Water                                                     <2.5 %                 (K.F.) 
硫酸盐灰分Sulfated ash                              <0.1 %

该品为利胆药，又是抗过敏药色甘酸钠的中间体。