Return to Results

Catechol

CAS Registry Number®

120-80-9

CAS Name

Catechol

Molecular Formula

C6H6O2

Molecular Mass

110.11

Cite this Page

Catechol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=120-80-9 (retrieved 2024-12-24) (CAS RN: 120-80-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    245.5 °C @ Press: 760 Torr

  • Melting Point (1)

    105 °C

  • Density (1)

    1.344 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C6H6O2/c7-5-3-1-2-4-6(5)8/h1-4,7-8H

InChIKey

InChIKey=YCIMNLLNPGFGHC-UHFFFAOYSA-N

SMILES

OC1=C(O)C=CC=C1

Canonical SMILES

OC=1C=CC=CC1O

Other Names for this Substance

  • 1,2-Benzenediol
  • Pyrocatechol
  • C.I. 76500
  • o-Benzenediol
  • C.I. Oxidation Base 26

View All

Deleted or Replaced CAS Registry Numbers

16474-90-1, 16474-89-8, 37349-32-9

CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.