Acid Red 4

CAS Registry Number®

5858-39-9
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CAS Name

Acid Red 4

Molecular Formula

C17H14N2O5S.Na

Cite this Page

Acid Red 4.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5858-39-9 (retrieved 2024-04-19) (CAS RN: 5858-39-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C17H14N2O5S.Na/c1-24-15-9-5-4-8-13(15)18-19-14-10-16(25(21,22)23)11-6-2-3-7-12(11)17(14)20;/h2-10,20H,1H3,(H,21,22,23);

InChIKey

InChIKey=MBKYXXPUYASPFL-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(O)=C(N=NC3=C(OC)C=CC=C3)C1)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC=2C=CC=CC2OC)=C(O)C=3C=CC=CC31

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 4-hydroxy-3-[2-(2-methoxyphenyl)diazenyl]-, sodium salt (1:1)
  • C.I. Acid Red 4, monosodium salt
  • 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-, monosodium salt
  • C.I. 14710
  • Acid Eosine G

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