4-Hydroxypyridine

CAS Registry Number®

626-64-2

CAS Name

4-Hydroxypyridine

Molecular Formula

C5H5NO

Molecular Mass

95.10

Cite this Page

4-Hydroxypyridine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=626-64-2 (retrieved 2025-04-02) (CAS RN: 626-64-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    216-227 °C @ Press: 3 Torr

  • Melting Point (2)

    149.8 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)

InChIKey

InChIKey=GCNTZFIIOFTKIY-UHFFFAOYSA-N

SMILES

OC=1C=CN=CC1

Canonical SMILES

OC=1C=CN=CC1

Other Names for this Substance

  • 4-Pyridinol
  • 4-Pyridol
  • 4-Hydroxypyridine
  • γ-Hydroxypyridine
  • NSC 5080

Deleted or Replaced CAS Registry Numbers

811801-35-1

CAS INSIGHTSTM
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