1-Naphthalenesulfonic acid, 3-[2-[4′-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-4-hydroxy-, sodium salt (1:2)

CAS Registry Number®

2429-72-3

CAS Name

1-Naphthalenesulfonic acid, 3-[2-[4′-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-4-hydroxy-, sodium salt (1:2)

Molecular Formula

C34H27N5O8S2.2Na

Cite this Page

1-Naphthalenesulfonic acid, 3-[2-[4′-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-4-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=2429-72-3 (retrieved 2024-11-22) (CAS RN: 2429-72-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H27N5O8S2.2Na/c1-18-13-20(7-11-27(18)36-38-29-17-30(48(42,43)44)25-5-3-4-6-26(25)33(29)40)21-8-12-28(19(2)14-21)37-39-32-31(49(45,46)47)16-22-15-23(35)9-10-24(22)34(32)41;;/h3-17,40-41H,35H2,1-2H3,(H,42,43,44)(H,45,46,47);;

InChIKey

InChIKey=IMRLQKXJDAOIAQ-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(O)=C(N=NC3=C(C)C=C(C=C3)C4=CC(C)=C(N=NC=5C(S(=O)(=O)O)=CC6=C(C5O)C=CC(N)=C6)C=C4)C1)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C2C=C(N)C=CC2=C(O)C1N=NC3=CC=C(C=C3C)C4=CC=C(N=NC=5C=C(C=6C=CC=CC6C5O)S(=O)(=O)O)C(=C4)C

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 3-[2-[4′-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]diazenyl]-4-hydroxy-, sodium salt (1:2)
  • C.I. Direct Blue 3, disodium salt
  • C.I. Direct Blue 3
  • 1-Naphthalenesulfonic acid, 3-[[4′-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3′-dimethyl[1,1′-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt
  • C.I. 23705

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