苏丹II

Sudan II

CAS号:   3118-97-6

分子式:   C18H16N2O

分子量:   276.33

别名:      溶剂橙7，苏丹2

性状

熔点：156-158 °C

质量标准

品级Grade                               染色剂级  
                                        (BS)
生物染色试验Biological staining test    合格

90%:


外观Appearance                          橙色至暗红色粉末
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity                              ≥90.0% (HPLC)
熔点Melting point                       158°C - 161°C
氯仿溶解试验solubility in CHCl3         clear，10 mg/ml
UV-visible spectrum                     in methanol
                                        E494(+/-3)nm = 14,000 (minimum)
                                        E422(+/-3)nm = 9,000 (minimum)