3-Hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-2,7-naphthalenedisulfonic acid

CAS Registry Number®

25738-43-6
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CAS Name

3-Hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-2,7-naphthalenedisulfonic acid

Molecular Formula

C19H18N2O7S2

Molecular Mass

450.49

Cite this Page

3-Hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-2,7-naphthalenedisulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=25738-43-6 (retrieved 2024-05-03) (CAS RN: 25738-43-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C19H18N2O7S2/c1-10-6-12(3)16(7-11(10)2)20-21-18-15-5-4-14(29(23,24)25)8-13(15)9-17(19(18)22)30(26,27)28/h4-9,22H,1-3H3,(H,23,24,25)(H,26,27,28)

InChIKey

InChIKey=OQQYJPVCDFFEIV-UHFFFAOYSA-N

SMILES

N(=NC1=C(C)C=C(C)C(C)=C1)C=2C3=C(C=C(S(=O)(=O)O)C2O)C=C(S(=O)(=O)O)C=C3

Canonical SMILES

O=S(=O)(O)C1=CC=C2C(=C1)C=C(C(O)=C2N=NC=3C=C(C(=CC3C)C)C)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-
  • C.I. Food Red 6
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-
  • 3-Hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-2,7-naphthalenedisulfonic acid

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