2-Acetylbutyrolactone

CAS Registry Number®

517-23-7

CAS Name

2-Acetylbutyrolactone

Molecular Formula

C6H8O3

Molecular Mass

128.13

Cite this Page

2-Acetylbutyrolactone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=517-23-7 (retrieved 2025-05-19) (CAS RN: 517-23-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    80-100 °C @ Press: 1-2 Torr

  • Melting Point (2)

    <25 °C

  • Density (3)

    1.1689 g/cm³ @ Temp: 50 °C; Press: 760.000 Torr

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C6H8O3/c1-4(7)5-2-3-9-6(5)8/h5H,2-3H2,1H3

InChIKey

InChIKey=OMQHDIHZSDEIFH-UHFFFAOYSA-N

SMILES

C(C)(=O)C1C(=O)OCC1

Canonical SMILES

O=C1OCCC1C(=O)C

Other Names for this Substance

  • 2(3H)-Furanone, 3-acetyldihydro-
  • Acetoacetic acid, 2-(2-hydroxyethyl)-, γ-lactone
  • 3-Acetyldihydro-2(3H)-furanone
  • α-Acetobutyrolactone
  • α-Acetylbutyrolactone

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Deleted or Replaced CAS Registry Numbers

98634-97-0

CAS INSIGHTSTM
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