4-Amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid

CAS Registry Number®

3121-74-2

CAS Name

4-Amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid

Molecular Formula

C22H16N6O9S2

Molecular Mass

572.53

Cite this Page

4-Amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3121-74-2 (retrieved 2024-11-25) (CAS RN: 3121-74-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C22H16N6O9S2/c23-19-18-12(11-17(39(35,36)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(32,33)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31/h1-11,29H,23H2,(H,32,33,34)(H,35,36,37)

InChIKey

InChIKey=HKJKONMZMPUGHJ-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C(N=NC3=CC=CC=C3)=C2O)C=C(S(=O)(=O)O)C1N=NC4=CC=C(N(=O)=O)C=C4

Canonical SMILES

O=N(=O)C1=CC=C(N=NC=2C(N)=C3C(O)=C(N=NC=4C=CC=CC4)C(=CC3=CC2S(=O)(=O)O)S(=O)(=O)O)C=C1

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-(2-phenyldiazenyl)-
  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)-
  • C.I. Acid Black 1, free acid
  • 1-Naphthol-3,6-disulfonic acid, 8-amino-7-(p-nitrophenylazo)-2-phenylazo-
  • 4-Amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid

CAS INSIGHTSTM
Hourglass and a clock