51864 II 90% 25g 102
51865 II BR 25g 82
51866 II AR 100g 108
51867 II 90% 100g 315
51868 II BS 100g 99
51869 II 分析标准品，用于食品分析，≥94.5% (HPLC) 250mg 315
51870 II BS 25g 39
熔点：156-158 °C
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)