2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

CAS Registry Number®

56431-61-9

CAS Name

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

Molecular Formula

C16H12N4O9S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)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=56431-61-9 (retrieved 2024-11-10) (CAS RN: 56431-61-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H12N4O9S2.2Na/c17-15-14-8(5-11(7-12(14)21)30(24,25)26)6-13(31(27,28)29)16(15)19-18-9-1-3-10(4-2-9)20(22)23;;/h1-7,21H,17H2,(H,24,25,26)(H,27,28,29);;

InChIKey

InChIKey=BTBICWRVEKVGKW-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(N(=O)=O)C=C3)C=C(S(=O)(=O)O)C=C2O.[Na]

Canonical SMILES

[Na].O=N(=O)C1=CC=C(N=NC=2C(N)=C3C(O)=CC(=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]-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-, disodium salt
  • Nitro Red

CAS INSIGHTSTM
Abstract Background of Blurry Golden Particles