4-[(4-Nitrophenyl)azo]-1,2-benzenediol

CAS Registry Number®

843-33-4
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CAS Name

4-[(4-Nitrophenyl)azo]-1,2-benzenediol

Molecular Formula

C12H9N3O4

Molecular Mass

259.22

Cite this Page

4-[(4-Nitrophenyl)azo]-1,2-benzenediol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=843-33-4 (retrieved 2024-04-29) (CAS RN: 843-33-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    232-234 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C12H9N3O4/c16-11-6-3-9(7-12(11)17)14-13-8-1-4-10(5-2-8)15(18)19/h1-7,16-17H

InChIKey

InChIKey=DGOZWUSVOBKXNR-UHFFFAOYSA-N

SMILES

N(=NC1=CC(O)=C(O)C=C1)C2=CC=C(N(=O)=O)C=C2

Canonical SMILES

O=N(=O)C1=CC=C(N=NC2=CC=C(O)C(O)=C2)C=C1

Other Names for this Substance

  • 1,2-Benzenediol, 4-[2-(4-nitrophenyl)diazenyl]-
  • Pyrocatechol, 4-[(p-nitrophenyl)azo]-
  • 1,2-Benzenediol, 4-[(4-nitrophenyl)azo]-
  • 4-[2-(4-Nitrophenyl)diazenyl]-1,2-benzenediol
  • 3,4-Dihydroxy-4′-nitroazobenzene

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