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Substance Name: C.I. 29100
RN: 5001-72-9
InChIKey: OYUZMQYZGSMPII-AVRYKWKFSA-L

Molecular Formula

  • C32-H23-N5-O8-S2.2Na

Molecular Weight

  • 713.657
 
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Names and Synonyms

Results Name

  • C.I. 29100

Name of Substance

  • Direct Red 12B

Synonyms

  • C.I. Direct Red 31
  • C.I. Direct Red 31, disodium salt
  • EINECS 225-669-8

Systematic Names

  • 2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
  • 2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(phenylazo)-, disodium salt
  • Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate)

Registry Numbers

CAS Registry Number

  • 5001-72-9

System Generated Number

  • 0005001729

Molecular Formulas

Molecular Formula

  • C32-H23-N5-O8-S2.2Na

Molecular Formula Fragments

  • C32-H23-N5-O8-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C32H23N5O8S2.2Na/c38-31-25-13-11-23(15-19(25)17-27(46(40,41)42)29(31)36-34-21-7-3-1-4-8-21)33-24-12-14-26-20(16-24)18-28(47(43,44)45)30(32(26)39)37-35-22-9-5-2-6-10-22;;/h1-18,33,38-39H,(H,40,41,42)(H,43,44,45);;/q;2*+1/p-2/b36-34+,37-35+;;

InChIKey

OYUZMQYZGSMPII-AVRYKWKFSA-L

Smiles

c12c(O)c(\N=N\c3ccccc3)c(S(=O)(=O)[O-])cc1cc(Nc1cc3cc(S(=O)(=O)[O-])c(\N=N\c4ccccc4)c(c3cc1)O)cc2.[Na+].[Na+]