Acid Red 73

CAS Registry Number®

5413-75-2

CAS Name

Acid Red 73

Molecular Formula

C22H16N4O7S2.2Na

Cite this Page

Acid Red 73.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5413-75-2 (retrieved 2024-11-23) (CAS RN: 5413-75-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=HLTWNOPZIDOIML-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(N=NC2=CC=CC=C2)C=C1)C=3C4=C(C=C(S(=O)(=O)O)C=C4S(=O)(=O)O)C=CC3O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC2=CC=C(O)C(N=NC3=CC=C(N=NC=4C=CC=CC4)C=C3)=C2C(=C1)S(=O)(=O)O

Other Names for this Substance

  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)
  • C.I. Acid Red 73, disodium salt
  • C.I. Acid Red 73
  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-, disodium salt
  • Croceine Scarlet MOO

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Deleted or Replaced CAS Registry Numbers

61813-60-3, 77466-28-5, 84842-89-7, 188763-03-3

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