1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)

CAS Registry Number®

6358-29-8

CAS Name

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)

Molecular Formula

C32H28N4O8S2.2Na

Cite this Page

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6358-29-8 (retrieved 2024-12-23) (CAS RN: 6358-29-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C32H28N4O8S2.2Na/c1-4-44-25-10-8-24(9-11-25)33-34-27-12-5-21(15-19(27)2)22-6-13-28(20(3)16-22)35-36-32-29(37)14-7-23-17-26(45(38,39)40)18-30(31(23)32)46(41,42)43;;/h5-18,37H,4H2,1-3H3,(H,38,39,40)(H,41,42,43);;

InChIKey

InChIKey=UBIGUIWFLINFHW-UHFFFAOYSA-N

SMILES

N(=NC1=C(C)C=C(C=C1)C2=CC(C)=C(N=NC3=CC=C(OCC)C=C3)C=C2)C=4C5=C(C=C(S(=O)(=O)O)C=C5S(=O)(=O)O)C=CC4O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC2=CC=C(O)C(N=NC3=CC=C(C=C3C)C=4C=CC(N=NC5=CC=C(OCC)C=C5)=C(C4)C)=C2C(=C1)S(=O)(=O)O

Other Names for this Substance

  • 1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)
  • C.I. Direct Red 39, disodium salt
  • 1,3-Naphthalenedisulfonic acid, 8-[[4′-[(4-ethoxyphenyl)azo]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt
  • C.I. 23630
  • Airedale Scarlet 3BD

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