3-[2-[4-[2-[4-[2-(4-Aminophenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-1-naphthalenesulfonic acid

CAS Registry Number®

25180-33-0

CAS Name

3-[2-[4-[2-[4-[2-(4-Aminophenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-1-naphthalenesulfonic acid

Molecular Formula

C36H25N7O10S3

Molecular Mass

811.82

Cite this Page

3-[2-[4-[2-[4-[2-(4-Aminophenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-1-naphthalenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25180-33-0 (retrieved 2025-04-02) (CAS RN: 25180-33-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C36H25N7O10S3/c37-20-5-7-21(8-6-20)38-39-32-15-13-30(24-11-9-22(17-28(24)32)54(45,46)47)40-42-33-16-14-31(25-12-10-23(18-29(25)33)55(48,49)50)41-43-34-19-35(56(51,52)53)26-3-1-2-4-27(26)36(34)44/h1-19,44H,37H2,(H,45,46,47)(H,48,49,50)(H,51,52,53)

InChIKey

InChIKey=UVICFDGLFOZKOQ-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C(N=NC3=CC=C(N)C=C3)=CC1)C=C(S(=O)(=O)O)C=C2)C=4C5=C(C(N=NC6=C(O)C7=C(C(S(=O)(=O)O)=C6)C=CC=C7)=CC4)C=CC(S(=O)(=O)O)=C5

Canonical SMILES

O=S(=O)(O)C=1C=CC=2C(N=NC3=CC=C(N=NC=4C=C(C=5C=CC=CC5C4O)S(=O)(=O)O)C=6C=CC(=CC36)S(=O)(=O)O)=CC=C(N=NC7=CC=C(N)C=C7)C2C1

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 3-[2-[4-[2-[4-[2-(4-aminophenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-
  • C.I. Direct Blue 120
  • 1-Naphthalenesulfonic acid, 3-[[4-[[4-[(4-aminophenyl)azo]-6-sulfo-1-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-
  • 3-[2-[4-[2-[4-[2-(4-Aminophenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-1-naphthalenesulfonic acid

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