Disodium (2Z)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate | CAS No. 16521-38-3

Disodium (2Z)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate

Basic Information

CAS Number

16521-38-3

Molecular Formula

C16H8N2Na2O8S2

Molecular Weight

449.4 g/mol

AD

Basic Physical Properties

C1=CC2=C(C=C1S(=O)(=O)O)C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)O)O.[Al+3]

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

InChIKey

KHLVKKOJDHCJMG-HLBFIJABSA-L

LogP

3.06060

Complexity

904

Synonyms & References

English

  • FD&C Blue No. 2-aluminum lake
  • aluminum;(2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
  • 1342-11-6
  • (Z)-3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic acid, aluminum(III) salt
  • C.I. 73015 Aluminum lake
  • EINECS 240-589-3
  • Aluminum 3,3'-dioxo-(delta2,2-biindoline)-5,5'disulfonate
  • aluminum;2-(3-hydroxy-5-sulo-1H-indol-2-yl)-3-oxoindole-5-sulonic acid
  • Food Blue No. 2-aluminum lake
  • C.I. Food Blue 1-aluminum lake
  • Acid Blue 74-aluminum lake
  • aluminum;2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxoindole-5-sulfonic acid
  • Certolake indigo carmine
  • Indigo disulfonic acid, aluminum salt
  • Indigo carmine-aluminum lake
  • C.I. Food Blue 1:1
  • BLUE 2 LAKE
  • Indigotine-aluminum lake
  • C.I. 73015-Aluminum lake
  • (delta2,2-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, aluminum salt
  • 16521-38-3
  • C.I. Acid Blue 74-aluminum lake
  • CHEBI:172686
  • Japan Food Blue No. 2 aluminum lake
  • AKOS040750972
  • Japan Blue 2 Aluminum lake
  • Pigment Blue 63
  • C.I. 73015:1
  • Blue 1 Lake
  • Blue 2 Lake
  • Aluminum 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex

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