2,2′,4′-Trihydroxyazobenzene

CAS Registry Number®

4867-02-1

CAS Name

2,2′,4′-Trihydroxyazobenzene

Molecular Formula

C12H10N2O3

Molecular Mass

230.22

Cite this Page

2,2′,4′-Trihydroxyazobenzene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4867-02-1 (retrieved 2025-05-06) (CAS RN: 4867-02-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    136-138 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C12H10N2O3/c15-8-5-6-10(12(17)7-8)14-13-9-3-1-2-4-11(9)16/h1-7,15-17H

InChIKey

InChIKey=UYZDJWAAXREYDP-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

OC1=CC=C(N=NC=2C=CC=CC2O)C(O)=C1

Other Names for this Substance

  • 1,3-Benzenediol, 4-[2-(2-hydroxyphenyl)diazenyl]-
  • Resorcinol, 4-[(o-hydroxyphenyl)azo]-
  • 1,3-Benzenediol, 4-[(2-hydroxyphenyl)azo]-
  • 4-[2-(2-Hydroxyphenyl)diazenyl]-1,3-benzenediol
  • 4-(2-Hydroxyphenylazo)resorcinol

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Deleted or Replaced CAS Registry Numbers

24463-07-8

CAS INSIGHTSTM
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