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Substance Name: C.I. Food Blue 1-aluminum lake
RN: 16521-38-3
InChIKey: KKHVNJFMNFIZLB-IERUDJENSA-N

Note

  • TSCA Definition 2018: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 73015 aluminum salt.

Molecular Formula

  • Unspecified

Molecular Weight

  • 449.375
 
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Names and Synonyms

Results Name

  • C.I. Food Blue 1-aluminum lake

Name of Substance

  • Indigo disulfonic acid, aluminum salt

Synonyms

  • (delta2,2-Biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, aluminum salt
  • Acid Blue 74-aluminum lake
  • Aluminum 3,3'-dioxo-(delta2,2-biindoline)-5,5'disulfonate
  • Aluminum, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
  • C.I. 73015 Aluminum lake
  • C.I. 73015-Aluminum lake
  • C.I. Acid Blue 74-aluminum lake
  • C.I. Food Blue 1-aluminum lake
  • C.I. Food Blue 1:1
  • C.I. Pigment Blue 63
  • Certolake indigo carmine
  • EINECS 240-589-3
  • Food Blue No. 2-aluminum lake
  • Indigo carmine-aluminum lake
  • Indigotine-aluminum lake
  • Japan Blue 2 Aluminum lake
  • Japan Food Blue No. 2 aluminum lake
  • Pigment Blue 63

Systematic Names

  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, aluminum complex
  • C.I. Pigment Blue 63

Superlist Name

  • FD&C Blue No. 2-aluminum lake

Registry Numbers

CAS Registry Number

  • 16521-38-3

Other Registry Numbers

  • 12227-85-9
  • 1342-11-6
  • 39290-72-7
  • 53026-58-7

System Generated Number

  • 0016521383

Structure Descriptors

InChI

1S/C16H10N2O8S2.Al/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;+3/b14-13+;

InChIKey

KKHVNJFMNFIZLB-IERUDJENSA-N

Smiles

C1(=C2\C(c3cc(S(O)(=O)=O)ccc3N2)=O)\C(c2cc(S(O)(=O)=O)ccc2N1)=O.[Al+3]