1-[(1-Hydroxy-2-naphthyl)azo]-2-naphthol-6-nitro-4-sulfonic acid

CAS Registry Number®

25747-08-4
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CAS Name

1-[(1-Hydroxy-2-naphthyl)azo]-2-naphthol-6-nitro-4-sulfonic acid

Molecular Formula

C20H13N3O7S

Molecular Mass

439.40

Cite this Page

1-[(1-Hydroxy-2-naphthyl)azo]-2-naphthol-6-nitro-4-sulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25747-08-4 (retrieved 2024-09-09) (CAS RN: 25747-08-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H13N3O7S/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25/h1-10,24-25H,(H,28,29,30)

InChIKey

InChIKey=GDHWAXDSTKHEAZ-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(N=NC3=C(O)C4=C(C=C3)C=CC=C4)=C(O)C1)C=CC(N(=O)=O)=C2

Canonical SMILES

O=N(=O)C1=CC=C2C(N=NC=3C=CC=4C=CC=CC4C3O)=C(O)C=C(C2=C1)S(=O)(=O)O

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-
  • C.I. Mordant Black 11
  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-
  • C.I. Mordant Black 11, free acid
  • 2-Naphthol-4-sulfonic acid, 1-(1-hydroxy-2-naphthylazo)-6-nitro-

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