3-Penten-2-one

• Formula: C₅H₈O
• Molecular weight: 84.1164
• IUPAC Standard InChI: InChI=1S/C5H8O/c1-3-4-5(2)6/h3-4H,1-2H3 Copy

  
• IUPAC Standard InChIKey: LABTWGUMFABVFG-UHFFFAOYSA-N Copy
• CAS Registry Number: 625-33-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Stereoisomers:
  • (Z)-pent-3-en-2-one
  • 3-Penten-2-one, (E)-
  • (Z)-3-Penten-2-one
• Other names: Ethylidene acetone; Methyl propenyl ketone; Methyl 1-propenyl ketone; 2-Oxo-3-pentene; (E)-CH3CH=CHC(=O)CH3; 3-Pentene-2-one; Pent-3-en-2-one
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• Information on this page:
  • Condensed phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Clopatt, 1932
Clopatt, J.A., Eine neue Methode zur Bestimmung der Verbrennungswarme fluchtiger Stoffe, Soc. Scient. Fenn. Commentat. Phys. Math., 1932, 6, 1-15. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, References

• Symbols used in this document:
  

  ΔcH°liquid

  Enthalpy of combustion of liquid at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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