Acid Red 88

CAS Registry Number®

1658-56-6
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CAS Name

Acid Red 88

Molecular Formula

C20H14N2O4S.Na

Cite this Page

Acid Red 88.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1658-56-6 (retrieved 2024-03-19) (CAS RN: 1658-56-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O4S.Na/c23-18-11-9-13-5-1-2-6-14(13)20(18)22-21-17-10-12-19(27(24,25)26)16-8-4-3-7-15(16)17;/h1-12,23H,(H,24,25,26);

InChIKey

InChIKey=UTROHQYCGBSNSF-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C=CC1O)C=CC=C2)C=3C4=C(C(S(=O)(=O)O)=CC3)C=CC=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC=C(N=NC2=C(O)C=CC=3C=CC=CC32)C=4C=CC=CC41

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • Naphthalene Red J
  • 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt
  • C.I. Acid Red 88, monosodium salt
  • 11391 Red

Deleted or Replaced CAS Registry Numbers

39309-87-0, 163442-07-7

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