2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4,5-dihydroxy-, sodium salt (1:4)

CAS Registry Number®

2150-54-1

CAS Name

2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4,5-dihydroxy-, sodium salt (1:4)

Molecular Formula

C34H26N4O16S4.4Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4,5-dihydroxy-, sodium salt (1:4).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2150-54-1 (retrieved 2024-11-22) (CAS RN: 2150-54-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H26N4O16S4.4Na/c1-15-7-17(3-5-23(15)35-37-31-27(57(49,50)51)11-19-9-21(55(43,44)45)13-25(39)29(19)33(31)41)18-4-6-24(16(2)8-18)36-38-32-28(58(52,53)54)12-20-10-22(56(46,47)48)14-26(40)30(20)34(32)42;;;;/h3-14,39-42H,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;

InChIKey

InChIKey=CBALTYDCWUXGFA-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=C(C)C=C(C=C3)C4=CC(C)=C(N=NC=5C(S(=O)(=O)O)=CC6=C(C5O)C(O)=CC(S(=O)(=O)O)=C6)C=C4)C=C(S(=O)(=O)O)C=C2O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C(O)C2=C(O)C(N=NC3=CC=C(C=C3C)C4=CC=C(N=NC=5C(O)=C6C(O)=CC(=CC6=CC5S(=O)(=O)O)S(=O)(=O)O)C(=C4)C)=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4,5-dihydroxy-, sodium salt (1:4)
  • C.I. Direct Blue 25, tetrasodium salt
  • 2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[4,5-dihydroxy-, tetrasodium salt
  • Benzo New Blue 5B
  • C.I. 23790

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