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Substance Name: Acid black 52
RN: 5610-64-0
UNII: C2VLY70GFU
InChIKey: OCDKNPOQLLEKKZ-LMIIDPDQSA-E

Note

  • TSCA Definition 2017: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 15711.

Molecular Formula

  • Unspecified

Molecular Weight

  • 1482.099
 
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Names and Synonyms

Name of Substance

  • Acid black 52
  • CI 15711

Synonyms

  • 3-Hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonic acid, monosodium salt, chromium complex
  • Chromate(3-), bis(3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonato(3-))-, disodium hydrogen
  • EC 227-029-3
  • EINECS 227-029-3
  • HSDB 4205
  • UNII-C2VLY70GFU

Systematic Names

  • C.I. Acid Black 52
  • Chromium, 3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonic acid complex

Registry Numbers

CAS Registry Number

  • 5610-64-0

FDA UNII

  • C2VLY70GFU

Other Registry Numbers

  • 10279-69-3
  • 12392-58-4
  • 34464-60-3

System Generated Number

  • 0005610640

Structure Descriptors

InChI

1S/3C20H13N3O7S.2Cr.3Na/c3*24-16-8-5-11-3-1-2-4-13(11)19(16)21-22-20-14-7-6-12(23(26)27)9-15(14)18(10-17(20)25)31(28,29)30;;;;;/h3*1-10,24-25H,(H,28,29,30);;;;;/q;;;2*+3;3*+1/p-9/b3*22-21+;;;;;

InChIKey

OCDKNPOQLLEKKZ-LMIIDPDQSA-E

Smiles

[Na+].[Na+].[Na+].[Cr+3].[Cr+3].[O-]c1ccc2ccccc2c1N=Nc3c([O-])cc(c4cc(ccc34)[N+](=O)[O-])S(=O)(=O)[O-].[O-]c5ccc6ccccc6c5N=Nc7c([O-])cc(c8cc(ccc78)[N+](=O)[O-])S(=O)(=O)[O-].[O-]c9ccc%10ccccc%10c9N=Nc%11c([O-])cc(c%12cc(ccc%11%12)[N+](=O)[O-])S(=O)(=O)[O-]