Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate

CAS: 860-22-0

Ref. IN-DA0039KR

Product Information

• Name: Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate
• Synonyms: (delta-2,2'-biindole)-3,3'-dione, 2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3- oxoindoline-5-sulphonic acid, Carmine, Indigo, indigo, Indigo Blue, Indigo Blue, Soluble, Indigo Carmine, Indigo Disulfonate, indigotin, Indigotindisulfonate, Indigotindisulfonate Sodium, Indigotindisulfonic Acid, Soluble Indigo Blue, Indigo carmine, Acid Blue 74, indigocarmine, Indigocarmin, Indigotine, Indigotindisulfonate sodium, Food Blue No. 2, Amacid Brilliant Blue, C.I. Food Blue 1, C.I. Natural Blue 2, Sodium indigotindisulfonate, Sachsischblau, Murabba, Indigotine Lake, Indigo Extract, Indocarmine F, Soluble Indigo, Disodium 5,5'-disulfoindigo, Indigotine B, Indigotine I, Indigotine N, Intense Blue, Indigotin I, Cilefa Blue R, Indigo Carmine A, Indigo Carmine X, L-Blau 2 [German], Grape Blue A, Indigo-karmin [German], Acid Blue W, Sodium indigo-5,5'-bisulfonate, Disodium indigo-5,5-disulfonate, Sodium 5,5'-indigotindisulfonate, Food Blue 2, Atul Indigo Carmine, Bucacid indigotine B, Indigo-5,5'-disulfonic acid disodium salt, C.I. Food Blue 1, disodium salt, Grape Blue A Geigy, Maple Indigo Carmine, Modr Kysela 74 [Czech], Edicol Supra Blue X, Indigo Carmine Powder, Mitsui Indigo Carmine, Modr Pigment 63 [Czech], Disodium 5,5'-indigotin disulfonate, Aniline Carmine powder, Dolkwal Indigo Carmine, San-ei Indigo Carmine, Usacert Blue No. 2, Hexacert Blue No. 2, Canacert Indigo Carmine, Indigotine disodium salt, Modr Potravinarska 1 [Czech], Indigotine Conc. Powder, Indigotine Extra Pure A, Food Blue 1:1, A.F. Blue No. 2, Indigotin-5,5'-disulfonic acid disodium salt, Hexacol Indigo Carmine Supra, Indigo Carmine Disodium Salt, Dinatrium indigolin-5,5'-disulfonat, Carmine Blue (biological stain), Indigo Carmine (Biological Stain), Disodium 3,3'-dioxo-(delta2,2'-biindoline)-5,5'-disulfonate, Indigo disulfonate (Biological Stain), Indigotine Conc. Powder; Indigotine Extra Pure A, Disodium salt of 1-indigotin-S,S'-disulphonic acid, Dinatrium 3,3'-dioxo-(delta2,2'-biindolin)-5,5'-disulfonat, Disodium salt of 1-indigotin-S,S'-disulfonic acid, Soluble Indigo Blue, Disodium 3,3'-dioxo-(delta(sup 2,2')-biindoline)-5,5'-disulfonate, (delta2,2'-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt, 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, Disodium 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonate, Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate, Indigo Carmine, pure, certified, Indigo-karmin, Carmine Blue, (delta(sup 2,2')-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt, disodium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate, Disodium 5,5'-indigodisulfonate, Dinatrium-5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-yliden)-1,2-dihydro-3H-indol-3-on)disulfonat, Indigotin, C.I. Food Blue 1, C.I. Acid Blue 74, C.I. Acid Blue 74, disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate, 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt (1:2), disodium 5,5-indigodisulphonate, 1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-, Indigotindisulfonate Sodium [USAN], 5,5-Indigodisulfonic acid, disodium salt, C.I. Food Blue 1, disodium salt, Acid Blue 74, Indigo-5,5-disulphonic acid disodium salt, C.I. 75781, E 132, disodium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate, C.I. Natural Blue 2, [Δ2,2′-Biindoline]-5,5′-disulfonic acid, 3,3′-dioxo-, disodium salt, 1311 Blue
• Brand: Indagoo

Chemical properties

• Molecular weight: 466.3529
• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: 85%
• Color/Form: Solid
• InChI: InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17,19H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
• InChI key: JFVXEJADITYJHK-UHFFFAOYSA-L