2-Oxobutanoic acid

CAS Registry Number®

600-18-0

CAS Name

2-Oxobutanoic acid

Molecular Formula

C4H6O3

Molecular Mass

102.09

Cite this Page

2-Oxobutanoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=600-18-0 (retrieved 2025-03-28) (CAS RN: 600-18-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    32 °C @ Press: 11 Torr

  • Melting Point (2)

    33 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H6O3/c1-2-3(5)4(6)7/h2H2,1H3,(H,6,7)

InChIKey

InChIKey=TYEYBOSBBBHJIV-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Butanoic acid, 2-oxo-
  • Butyric acid, 2-oxo-
  • 2-Oxobutanoic acid
  • Propionylformic acid
  • α-Oxobutyric acid

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