1H-Indole-5-sulfonicacid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-,sodium salt (1:2)
212-728-8
1.01g/mLat 20°C
1H-Indole-5-sulfonicacid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-,disodium salt (9CI); C.I. Acid Blue 74 (6CI); [D2,2'-Biindoline]-5,5'-disulfonic acid, 3,3'-dioxo-,disodium salt (8CI); 12070 Blue; 1311 Blue; 5,5'-Indigodisulfonic acid disodiumsalt; A.F. Blue No. 2; Acid Blue 74; Acid Blue W; Acid Leather Blue IC;Airedale Blue IN; Amacid Brilliant Blue; Aniline Carmine Powder; Ariavit IndigoCarmine; Atul Indigo Carmine; Basovit Blue 665E; Blue 2; Bucacid Indigotine B;C.I. 73015; C.I. 75781; C.I. Food Blue 1; C.I. Natural Blue 2; Canacert IndigoCarmine; Carmine Blue; Carmine indigo; Cilefa Blue R; Cogilor Blue 511.11;Disodium 5,5'-indigodisulfonate; Disodium 5,5'-indigotin disulfonate; DolkwalIndigo Carmine; E 132; Edicol Supra Blue X; Eurocert Indigo Carmine 311811; FD& C Blue 2; FD & C Blue No 2-307045; FD and C Blue 2; FD and C Blue No.2; FD&C Blue No. 2; FD&C Blue No. 2-37006; Food Blue 1; Food Blue 2;Food Blue No. 1; Food Blue No. 2; Grape Blue A; HD Indigo Carmine; HD IndigoCarmine Supra; Hexacert Blue No. 2; Hexacol Indigo Carmine Supra; IndigoCarmine 307019; Indigo Carmine 36009; Indigo Carmine 37006; Indigo Carmine A;Indigo Carmine AC; Indigo Carmine BP; Indigo Carmine Conc. FQ; Indigo CarminePowder; Indigo Carmine X; Indigo Extract; Indigo carmine; Indigo carmine85E132; Indigo carmine NB; Indigotin; Indigotin (solubilized); Indigotine;Indigotine B; Indigotine Blue LZ; Indigotine Carmine; Indigotine Extra Pure A;Indigotine I; Indigotine IA; Indigotine Lake; Indigotine N; Indigotine disodiumsalt; Indocarmine F; Intense Blue; Japan Blue 2; Japan Food Blue No. 2; L BlueZ 5010; Maple Indigo Carmine; Mitsui Indigo Carmine; Necol Indigo Carmine;Neelicol Indigo Carmine; San-ei Indigo Carmine; Sepisperse Dry 1003; Sodium5,5'-indigodisulfonate; Sodium 5,5'-indigotindisulfonate; Soluble indigo;Soluble indigo blue; Sumitomo Wool Blue SBC; Usacert Blue No. 2; Usacert FD& C Blue No 2-310118; Usacert FD and C Blue No. 2; WAS 35; Water Blue177557;
>300°C
详细信息
介绍： 1g可溶于约100ml，25℃水，对水的溶解度较其他食用合成色素低，0·05%水溶液呈蓝色。久置因氧化而褪色。溶于甘油，丙二醇，微溶于乙醇，不溶于油脂。遇浓硫酸呈深蓝色，稀释后呈蓝色，它的水溶液加氢氧化钠呈绿至黄绿色。耐光性耐热性差，对柠檬酸；酒石酸和碱不稳定。pH值11·6-14·0(由蓝到亮黄色)。
熔点： Dye content, 85%
储存条件： RT,避光
外观： 深蓝色粉末
溶解性： Soluble in water (10 g/l at 25 °C), glycol, ethanol (3 mg/ml). Insoluble in benzene, chloroform.
用途： 氧化还原指示剂。检验牛奶的硝酸盐和氯酸盐的试剂。生物染色剂，如尼基氏小体、细胞核的染色。肾功能的测定等。
敏感性： 对光敏感
