Benzoic acid, 5-[2-[4′-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:2)

CAS Registry Number®

2429-82-5

CAS Name

Benzoic acid, 5-[2-[4′-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:2)

Molecular Formula

C29H21N5O7S.2Na

Cite this Page

Benzoic acid, 5-[2-[4′-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-2-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=2429-82-5 (retrieved 2024-11-27) (CAS RN: 2429-82-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C29H21N5O7S.2Na/c30-19-6-1-18-13-26(42(39,40)41)27(28(36)23(18)14-19)34-32-21-9-4-17(5-10-21)16-2-7-20(8-3-16)31-33-22-11-12-25(35)24(15-22)29(37)38;;/h1-15,35-36H,30H2,(H,37,38)(H,39,40,41);;

InChIKey

InChIKey=JRFUFWRTUWWHJI-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(C=C3)C4=CC=C(N=NC5=CC(C(O)=O)=C(O)C=C5)C=C4)C=CC(N)=C2.[Na]

Canonical SMILES

[Na].O=C(O)C1=CC(N=NC2=CC=C(C=C2)C3=CC=C(N=NC=4C(O)=C5C=C(N)C=CC5=CC4S(=O)(=O)O)C=C3)=CC=C1O

Other Names for this Substance

  • Benzoic acid, 5-[2-[4′-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:2)
  • C.I. Direct Brown 2, disodium salt
  • C.I. Direct Brown 2
  • Direct Brown M
  • Benzoic acid, 5-[[4′-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo][1,1′-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt

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Deleted or Replaced CAS Registry Numbers

1092061-31-8

CAS INSIGHTSTM
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