2-Pyridone

CAS Registry Number®

142-08-5

CAS Name

2-Pyridone

Molecular Formula

C5H5NO

Molecular Mass

95.10

Cite this Page

2-Pyridone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=109-10-4 (retrieved 2025-03-28) (CAS RN: 142-08-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    132-133 °C @ Press: 2 Torr

  • Melting Point (2)

    107.8 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=UBQKCCHYAOITMY-UHFFFAOYSA-N

SMILES

O=C1C=CC=CN1

Canonical SMILES

O=C1C=CC=CN1

Other Names for this Substance

  • 2(1H)-Pyridinone
  • 2(1H)-Pyridone
  • 2-Pyridol
  • 2-Pyridone
  • α-Pyridone

View All

Deleted or Replaced CAS Registry Numbers

109-10-4, 77846-86-7, 168275-26-1

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