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4-Hydroxybenzaldehyde

CAS Registry Number®

123-08-0

CAS Name

4-Hydroxybenzaldehyde

Molecular Formula

C7H6O2

Molecular Mass

122.12

Cite this Page

4-Hydroxybenzaldehyde.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=123-08-0 (retrieved 2025-03-17) (CAS RN: 123-08-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    181 °C @ Press: 4 Torr

  • Melting Point (2)

    117 °C

  • Density (3)

    1.35 g/cm³ (liquid) @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H

InChIKey

InChIKey=RGHHSNMVTDWUBI-UHFFFAOYSA-N

SMILES

C(=O)C1=CC=C(O)C=C1

Canonical SMILES

O=CC1=CC=C(O)C=C1

Other Names for this Substance

  • Benzaldehyde, 4-hydroxy-
  • Benzaldehyde, p-hydroxy-
  • 4-Hydroxybenzaldehyde
  • 4-Formylphenol
  • p-Formylphenol

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Deleted or Replaced CAS Registry Numbers

1187488-60-3

CAS INSIGHTSTM
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