Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)

CAS Registry Number®

4196-99-0

CAS Name

Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)

Molecular Formula

C22H16N4O7S2.2Na

Cite this Page

Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-[2-(4-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=4196-99-0 (retrieved 2024-11-23) (CAS RN: 4196-99-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C22H16N4O7S2.2Na/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;

InChIKey

InChIKey=RGFBGFHRQYWMMH-UHFFFAOYSA-N

SMILES

N(=NC1=C(S(=O)(=O)O)C=C(N=NC2=CC=C(S(=O)(=O)O)C=C2)C=C1)C=3C4=C(C=CC3O)C=CC=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC=C(N=NC2=CC=C(N=NC3=C(O)C=CC=4C=CC=CC43)C(=C2)S(=O)(=O)O)C=C1

Other Names for this Substance

  • Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)
  • C.I. Acid Red 66, disodium salt
  • Biebrich Scarlet WS
  • C.I. Acid Red 66
  • Benzenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt

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CAS INSIGHTSTM
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