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
- IUPAC Standard InChIKey: LABTWGUMFABVFG-UHFFFAOYSA-N
- CAS Registry Number: 625-33-2
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- 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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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°liquid | -3041. | kJ/mol | Ccb | Clopatt, 1932 | Corresponding ΔfHºliquid = -69.5 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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: Robert L. Brown and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 395.7 | K | N/A | Aldrich Chemical Company Inc., 1990 |
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]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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