项目                                                                    分析纯                        
                                                                             (AR)
纯度Purity                                                         >99.0+%                         
外观Appearance                                             白色或类白色结晶粉末 
红外光谱测定Infrared spectrometry  和对照匹配
熔点Melting point                  209°C-216°C

项目                                                                      激光级 (laser grade)
纯度Purity                                                              >99.0%                                           
外观Appearance                                         白色结晶固体
荧光最大值Fluorescence max              354 nm (in cyclohexane)
最佳激光发射波长Optimum lasing      338 nm (in cyclohexane)
红外光谱测定Infrared spectrometry   和对照匹配
λ max                               276 nm (in cyclohexane)
摩尔吸收值Molar absorption coeff.   36000 l/(mole.cm) (λ max.)

项目                                                                           闪烁纯                         
                                                                                  (scintillation grade)
外观Appearance                                                    白色至亮黄色结晶或结晶性粉末
紫外吸收UV                                                            (1% 甲苯溶液)(10 cm cell, vs 甲苯) 
                                                                                  at 400 nm A: <0.05
荧光发射和量子研究实验                                      合格
（absolute fluorescence emission and quantum yield (λ max., 335 nm) ）
红外光谱测定Infrared spectrometry 和对照匹配
液体闪烁计数实验Suitability test  合格