苏丹Ⅰ

Sudan Ⅰ

CAS号: 842-07-9

分子式: C16H12N2O； C6H5N=NC10H6OH

分子量: 248.28

别名: 苏丹-1, 溶剂黄14, 1-(苯基偶氮)-2-萘酚, 苏丹红一号, 油溶黄

深红色粉末。能溶于醚、苯和二硫化碳，成橙色溶液，溶于浓酸成洋红色，不溶于水和碱溶液。
熔点：131-133 ℃

项目ltem                              分析纯
  (AR)
熔点范围Melting range,℃            129～134(2)
乙醇溶解试验Solubility in ethanol      合格
灼烧残渣Ignition residue,%          ≤0.6
干燥失重Drying loss,%               ≤4.0
均一性Homogeneity                      合格
λ                                   λ_max 418 nm
                                    λ_max 476 nm (2nd)


Dye content 98%:


外观Appearance                       Orange to red-orange powder
红外光谱Infrared spectrum            Conforms to Structure
纯度Purity(HPLC)                      ≥98.0%
摩尔吸光度Extinction Coefficient     c = 0.01g/L; Ethanol
461 - 491 nm                         ≥13000
299 - 319 nm                         ≥7000
223 - 233 nm                         ≥36000
碳Carbon                             74.7 - 80.1 %
氮Nitrogen                           10.7 - 11.7 %
溶解试验Solubility                   Orange and clear(c = 1mg/ml, Chloroform)