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Substance Name: Indigotindisulfonate sodium [USP]
RN: 860-22-0
UNII: D3741U8K7L
InChIKey: KHLVKKOJDHCJMG-QDBORUFSSA-L

Note

  • Indolesulfonic acid used as a dye in renal function testing for the detection of nitrates and chlorates, and in the testing of milk.

Molecular Formulas

  • C16-H10-N2-O8-S2.2Na
  • C16-H8-N2-Na2-O8-S2
  • C16-H8-N2-O8-S2.2Na

Molecular Weight

  • 466.3572
 

Classification Codes

  • Coloring Agents
  • Diagnostic Aid (Cystoscopy)
  • Drug / Therapeutic Agent
  • Mutation Data
  • Tumor Data
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Names and Synonyms

Name of Substance

  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
  • CI 73015
  • Indigo carmine
  • Indigotindisulfonate sodium
  • Indigotindisulfonate sodium [USP]

MeSH Heading

  • Indigo carmine

Synonyms

  • (delta2,2'-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt
  • 12070 Blue
  • 1311 Blue
  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
  • 2-(1,3-Dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-1h-indole-5-sulfonic acid disodium salt
  • 2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid, disodium salt
  • 3,3'-Dioxo-(delta2,2'-biindoline)-5,5'-disulfonic acid disodium salt
  • 5,5'-Indigotin disulfonic acid
  • A.F. Blue No. 2
  • Acid Blue 74
  • Acid Blue W
  • Acid Leather Blue IC
  • AF blue no. 2
  • AI3-09087
  • Airdale blue IN
  • Airedale Blue IN
  • Amacid Brilliant Blue
  • Aniline Carmine powder
  • Atul Indigo Carmine
  • Bucacid indigotine B
  • C.I. 73015
  • C.I. 75781
  • C.I. Acid Blue 74
  • C.I. Food Blue 1
  • C.I. Food Blue 1, disodium salt
  • C.I. Natural Blue 2
  • Canacert Indigo Carmine
  • Carmine Blue (biological stain)
  • CCRIS 1865
  • CI 73015
  • Cilefa Blue R
  • Dinatrium 3,3'-dioxo-(delta2,2'-biindolin)-5,5'-disulfonat
  • Dinatrium indigolin-5,5'-disulfonat
  • Disodium 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonate
  • Disodium 3,3'-dioxo-(delta(sup 2,2')-biindoline)-5,5'-disulfonate
  • Disodium 3,3'-dioxo-(delta2,2'-biindoline)-5,5'-disulfonate
  • Disodium 5,5'-disulfoindigo
  • Disodium 5,5'-indigotin disulfonate
  • Disodium indigo-5,5-disulfonate
  • Disodium salt of 1-indigotin-S,S'-disulfonic acid
  • Disodium salt of 1-indigotin-S,S'-disulphonic acid
  • Dolkwal Indigo Carmine
  • E 132
  • Edicol Supra Blue X
  • EINECS 212-728-8
  • FD &C Blue No. 2
  • FD and C Blue No. 2
  • FD&C blue no. 2
  • Food Blue 1
  • Food Blue 2
  • Food Blue No. 1
  • Food Blue No. 2
  • Grape Blue A
  • Grape Blue A Geigy
  • HD Indigo Carmine
  • HD Indigo Carmine Supra
  • Hexacert Blue No. 2
  • Hexacol Indigo Carmine Supra
  • HSDB 7875
  • Indigo carmine
  • Indigo Carmine (biological stain)
  • Indigo Carmine A
  • Indigo Carmine AC
  • Indigo Carmine BP
  • Indigo Carmine Conc. FQ
  • Indigo Carmine disodium salt
  • Indigo Carmine powder
  • Indigo Carmine X
  • Indigo disulfonate (biological stain)
  • Indigo extract
  • Indigo-karmin
  • Indigo-karmin [German]
  • Indigocarmin
  • Indigocarmine
  • Indigotin I
  • Indigotin-5,5'-disulfonic acid disodium salt
  • Indigotindisulfonate sodium
  • Indigotine
  • Indigotine B
  • Indigotine Blue LZ
  • Indigotine conc. powder
  • Indigotine Conc. Powder; Indigotine Extra Pure A
  • Indigotine disodium salt
  • Indigotine Extra Pure A
  • Indigotine I
  • Indigotine IA
  • Indigotine Lake
  • Indigotine N
  • Indocarmine F
  • Intense Blue
  • L Blue Z 5010
  • L-Blau 2
  • L-Blau 2 [German]
  • Maple Indigo Carmine
  • Mitsui Indigo Carmine
  • Modr Kysela 74
  • Modr Kysela 74 [Czech]
  • Modr Pigment 63
  • Modr Pigment 63 [Czech]
  • Modr Potravinarska 1
  • Modr Potravinarska 1 [Czech]
  • Murabba
  • NSC 8646
  • Sachsischblau
  • San-ei Indigo Carmine
  • Schultz Nr. 1309
  • Schultz Nr. 1309 [German]
  • Sodium 5,5'-indigotindisulfonate
  • Sodium indigo-5,5'-bisulfonate
  • Sodium indigotin disulfonate
  • Sodium indigotindisulfonate
  • Soluble indigo
  • Soluble indigo blue
  • Sumitomo Wool Blue SBC
  • UNII-D3741U8K7L
  • Usacert Blue No. 2

Systematic Names

  • (delta(sup 2,2')-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt
  • (delta2,2'-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, disodium salt (8CI)
  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
  • 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'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate
  • FD&C Blue No. 2

Superlist Name

  • FD&C Blue No. 2

Registry Numbers

CAS Registry Number

  • 860-22-0

FDA UNII

  • D3741U8K7L

System Generated Number

  • 0000860220

Molecular Formulas

Molecular Formulas

  • C16-H10-N2-O8-S2.2Na
  • C16-H8-N2-Na2-O8-S2
  • C16-H8-N2-O8-S2.2Na

Molecular Formula Fragments

  • C16-H10-N2-O8-S2
  • C16-H8-N2-O8-S2
  • COMPONENT
  • Na

Structure Descriptors

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;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;

InChIKey

KHLVKKOJDHCJMG-QDBORUFSSA-L

Smiles

C1(=C2\C(=O)c3c(N2)ccc(c3)S(=O)(=O)[O-])/C(=O)c2c(N1)ccc(c2)S(=O)(=O)[O-].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 2500mg/kg (2500mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.
mouse LD50 subcutaneous 405mg/kg (405mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.
rat LD50 intravenous 93mg/kg (93mg/kg)   Drugs in Japan Vol. 6, Pg. 83, 1982.
rat LD50 oral 2gm/kg (2000mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -3.570 (none)   EST
Water Solubility 1.00E+04 mg/L 25 EXP
Atmospheric OH Rate Constant 2.15E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.