1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(2-hydroxy-8-sulfo-1-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

2769-07-5

CAS Name

1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(2-hydroxy-8-sulfo-1-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C32H23N5O7S2.2Na

Cite this Page

1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(2-hydroxy-8-sulfo-1-naphthalenyl)diazenyl][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=2769-07-5 (retrieved 2024-12-23) (CAS RN: 2769-07-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C32H23N5O7S2.2Na/c33-31-25-6-2-1-5-24(25)29(46(42,43)44)18-26(31)36-34-22-13-8-19(9-14-22)20-10-15-23(16-11-20)35-37-32-27(38)17-12-21-4-3-7-28(30(21)32)45(39,40)41;;/h1-18,38H,33H2,(H,39,40,41)(H,42,43,44);;

InChIKey

InChIKey=ZTLGYAMERFBXBO-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(C=C1)C2=CC=C(N=NC3=C(N)C4=C(C(S(=O)(=O)O)=C3)C=CC=C4)C=C2)C=5C6=C(C=CC5O)C=CC=C6S(=O)(=O)O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=CC=C2C=CC(O)=C(N=NC3=CC=C(C=C3)C=4C=CC(N=NC=5C=C(C=6C=CC=CC6C5N)S(=O)(=O)O)=CC4)C21

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 4-amino-3-[2-[4′-[2-(2-hydroxy-8-sulfo-1-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)
  • Congo Rubine
  • C.I. Direct Red 17, disodium salt
  • C.I. Direct Red 17
  • 1-Naphthalenesulfonic acid, 4-amino-3-[[4′-[(2-hydroxy-8-sulfo-1-naphthalenyl)azo][1,1′-biphenyl]-4-yl]azo]-, disodium salt

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Deleted or Replaced CAS Registry Numbers

879658-52-3

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