2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)

CAS Registry Number®

5850-37-3

CAS Name

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)

Molecular Formula

C22H16N6O12S3.3Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-6-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5850-37-3 (retrieved 2024-11-24) (CAS RN: 5850-37-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C22H16N6O12S3.3Na/c23-19-18-11(9-16(42(35,36)37)20(19)26-24-12-1-5-14(6-2-12)28(30)31)10-17(43(38,39)40)21(22(18)29)27-25-13-3-7-15(8-4-13)41(32,33)34;;;/h1-10,29H,23H2,(H,32,33,34)(H,35,36,37)(H,38,39,40);;;

InChIKey

InChIKey=RUPCJASELGMUEN-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(S(=O)(=O)O)C=C3)C=C(S(=O)(=O)O)C(N=NC4=CC=C(N(=O)=O)C=C4)=C2N.[Na]

Canonical SMILES

[Na].O=N(=O)C1=CC=C(N=NC=2C(N)=C3C(O)=C(N=NC4=CC=C(C=C4)S(=O)(=O)O)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-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)
  • C.I. Acid Black 41, trisodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[(4-sulfophenyl)azo]-, trisodium salt
  • C.I. 20480
  • Acid Black C 2B

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CAS INSIGHTSTM
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