乙基紫

Ethyl Violet

CAS号: 2390-59-2

分子式: C31H42ClN3

分子量: 492.14

别名: 碱性紫4，N-[4-[二(对-乙二氨基苯基)亚甲基]-2,5-环己二烯-1-亚基]-N-乙基氯化乙氨

项目                                    高纯级
                                   （High pure grade)
外观Appearance                          绿色粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity （以干物质计）               ≥98.0% (银量滴定)
λ max.                                  594.0 - 598.0 nm(H2O)
吸光度Absorbance(E1%1cm)                ≤1,900(H2O, 594.0 - 598.0 nm)
干燥损失Drying loss                     ≤5.0 %


项目                                    试剂级
外观Appearance                          绿色至橄榄绿色结晶粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity                              ≥90.0% (UV-Vis)
紫外光谱UV spectrometry                 符合