1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethoxy[1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

6428-94-0

CAS Name

1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethoxy[1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C34H27N5O9S2.2Na

Cite this Page

1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethoxy[1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6428-94-0 (retrieved 2024-12-23) (CAS RN: 6428-94-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H27N5O9S2.2Na/c1-47-29-15-19(11-13-25(29)36-38-27-17-31(49(41,42)43)21-7-3-5-9-23(21)33(27)35)20-12-14-26(30(16-20)48-2)37-39-28-18-32(50(44,45)46)22-8-4-6-10-24(22)34(28)40;;/h3-18,40H,35H2,1-2H3,(H,41,42,43)(H,44,45,46);;

InChIKey

InChIKey=AZWWFPIGTIHTND-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(N)=C(N=NC3=C(OC)C=C(C=C3)C4=CC(OC)=C(N=NC5=C(O)C6=C(C(S(=O)(=O)O)=C5)C=CC=C6)C=C4)C1)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC=2C=CC(=CC2OC)C3=CC=C(N=NC=4C=C(C=5C=CC=CC5C4N)S(=O)(=O)O)C(OC)=C3)=C(O)C=6C=CC=CC61

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethoxy[1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)
  • C.I. Direct Violet 32, disodium salt
  • Azo Violet
  • 1-Naphthalenesulfonic acid, 4-amino-3-[[4′-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3′-dimethoxy[1,1′-biphenyl]-4-yl]azo]-, disodium salt
  • C.I. Direct Violet 32

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CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.