2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]carbonyl]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2)

CAS Registry Number®

57131-19-8

CAS Name

2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]carbonyl]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2)

Molecular Formula

C35H28N10O8S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]carbonyl]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=57131-19-8 (retrieved 2024-11-22) (CAS RN: 57131-19-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C35H28N10O8S2.2Na/c36-21-8-15-27(26(37)18-21)43-40-25-13-11-22(12-14-25)39-35(47)19-6-9-24(10-7-19)42-44-32-28(54(48,49)50)16-20-17-29(55(51,52)53)33(34(46)30(20)31(32)38)45-41-23-4-2-1-3-5-23;;/h1-18,46H,36-38H2,(H,39,47)(H,48,49,50)(H,51,52,53);;

InChIKey

InChIKey=HXGHIVXQHPRARV-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(C(NC4=CC=C(N=NC5=C(N)C=C(N)C=C5)C=C4)=O)C=C3)C=C(S(=O)(=O)O)C(N=NC6=CC=CC=C6)=C2O.[Na]

Canonical SMILES

[Na].O=C(NC1=CC=C(N=NC2=CC=C(N)C=C2N)C=C1)C3=CC=C(N=NC=4C(N)=C5C(O)=C(N=NC=6C=CC=CC6)C(=CC5=CC4S(=O)(=O)O)S(=O)(=O)O)C=C3

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]carbonyl]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt
  • C.I. Direct Black 166

Deleted or Replaced CAS Registry Numbers

71872-39-4

CAS INSIGHTSTM
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