2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[2-hydroxy-3-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-sulfophenyl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

3258-74-0

CAS Name

2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[2-hydroxy-3-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-sulfophenyl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C26H18N4O9S2.2Na

Cite this Page

2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[2-hydroxy-3-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-sulfophenyl]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=3258-74-0 (retrieved 2024-11-25) (CAS RN: 3258-74-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C26H18N4O9S2.2Na/c31-22-9-5-14-3-1-2-4-18(14)24(22)29-27-20-12-17(41(37,38)39)13-21(26(20)33)28-30-25-19-8-7-16(40(34,35)36)11-15(19)6-10-23(25)32;;/h1-13,31-33H,(H,34,35,36)(H,37,38,39);;

InChIKey

InChIKey=LLTHLJGEHVFMGZ-UHFFFAOYSA-N

SMILES

N(=NC1=C(O)C(N=NC=2C3=C(C=CC2O)C=CC=C3)=CC(S(=O)(=O)O)=C1)C=4C5=C(C=C(S(=O)(=O)O)C=C5)C=CC4O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC=C2C(C=CC(O)=C2N=NC3=CC(=CC(N=NC4=C(O)C=CC=5C=CC=CC54)=C3O)S(=O)(=O)O)=C1

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[2-hydroxy-3-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-sulfophenyl]diazenyl]-, sodium salt (1:2)
  • C.I. Mordant Black 25, disodium salt
  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-[[2-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-5-sulfophenyl]azo]-, disodium salt
  • C.I. Mordant Black 25
  • C.I. 21725

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