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Substance Name: C.I. Direct Red 2
RN: 992-59-6
UNII: G519JHX5MJ
InChIKey: SUXCALIDMIIJCK-DVDDBBOFSA-L

Classification Code

  • Mutation Data

Molecular Formulas

  • C34-H26-N6-O6-S2.2Na
  • C34-H28-N6-O6-S2.2Na

Molecular Weight

  • 724.727
 
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Names and Synonyms

Name of Substance

  • Benzopurpurine 4B
  • C.I. Direct Red 2

Synonyms

  • 1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-diphenyl)-4,4'-diyl)bis(azo))bis(4-amino-, disodium salt
  • AI3-62957
  • Amanil purpurine
  • Amanil purpurine 4B
  • Atul Direct Red 4B
  • Azamin 4B
  • Azocard Red 4B
  • Bencidal purple 4B
  • Benzanil purpurine 4B
  • Benzopurpurin 4B
  • Benzopurpurine 4B
  • Benzopurpurine 4BKX
  • Benzopurpurine 4BX
  • Brasilamina Red 4B
  • C.I. 23500
  • C.I. Direct Red 2
  • C.I. Direct Red 2 disodium salt
  • C.I. Direct Red 2, disodium salt
  • Calcomine Red 4BX
  • CCRIS 690
  • Cerven prima 2
  • Cerven prima 2 [Czech]
  • Chrome Leather Red 4B
  • Cotton Red 4B
  • Diacotton benzopurpurine 4B
  • Diamine purpurine 4B
  • Diaphtamine purpurine
  • Diaphtamine Purpurine 4B
  • Diazamine purpurine 4B
  • Diazine Red 4B
  • Diazol purpurine 4B
  • Diphenyl Red 4B
  • Diphenyl Red 4BS
  • Direct Purpurine 4B
  • Direct Purpurine M4B
  • Direct Red 2
  • Direct Red 4A
  • Direct Red 4B
  • Direct Red DCB
  • Disodium o-tolidinediazobis(1-naphthylamine-4-sulfonate)
  • Ditolybis(azonaphthionic acid)
  • Ditolylbis(azonaphthionic acid)
  • Eclipse Red
  • EINECS 213-594-3
  • Erie Benzo 4BP
  • Erie Red 4B
  • Fast Scarlet
  • Hispamin Red 4B
  • HSDB 4226
  • Kayaku benzopurpurine 4B
  • Mitsui benzopurpurine 4BX
  • NSC 5015
  • Paper Red 4B
  • Paper Red 4BS
  • Phenamine purpurine 4B
  • Purpurin 4B
  • Purpurine 4B
  • Tertrodirect Red 4B
  • Tetrodirect Red 4B
  • UNII-G519JHX5MJ

Systematic Names

  • 1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(4-amino-, sodium salt (1:2)
  • 1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-, disodium salt
  • C.I. Direct Red 2
  • C.I. Direct Red 2, disodium salt (8CI)
  • Disodium 3,3'-(3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo)bis(4-aminonaphthalene-1-sulphonate)

Registry Numbers

CAS Registry Number

  • 992-59-6

FDA UNII

  • G519JHX5MJ

Other Registry Numbers

  • 179472-45-8
  • 70248-71-4

System Generated Number

  • 0000992596

Molecular Formulas

Molecular Formulas

  • C34-H26-N6-O6-S2.2Na
  • C34-H28-N6-O6-S2.2Na

Molecular Formula Fragments

  • C34-H26-N6-O6-S2
  • C34-H28-N6-O6-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C34H28N6O6S2.2Na/c1-19-15-21(11-13-27(19)37-39-29-17-31(47(41,42)43)23-7-3-5-9-25(23)33(29)35)22-12-14-28(20(2)16-22)38-40-30-18-32(48(44,45)46)24-8-4-6-10-26(24)34(30)36;;/h3-18H,35-36H2,1-2H3,(H,41,42,43)(H,44,45,46);;/q;2*+1/p-2/b39-37+,40-38+;;

InChIKey

SUXCALIDMIIJCK-DVDDBBOFSA-L

Smiles

c12c(c(c(\N=N\c3c(cc(c4cc(c(\N=N\c5c(c6c(cccc6)c(c5)S(=O)(=O)[O-])N)cc4)C)cc3)C)cc1S(=O)(=O)[O-])N)cccc2.[Na+].[Na+]

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 3.720 (none)   EST
Atmospheric OH Rate Constant 2.79E-11 cm3/molecule-sec 25 EST

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