4-Pentenoic acid
- Formula: C5H8O2
- Molecular weight: 100.1158
- IUPAC Standard InChI: InChI=1S/C5H8O2/c1-2-3-4-5(6)7/h2H,1,3-4H2,(H,6,7)
- IUPAC Standard InChIKey: HVAMZGADVCBITI-UHFFFAOYSA-N
- CAS Registry Number: 591-80-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Allylacetic acid; Pent-4-enoic acid; δ4-Pentenoic acid; 4 PA
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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 | -2680.3 ± 2.5 | kJ/mol | Ccb | Schjanberg, 1937 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2680. ± 10. kJ/mol; At 293 K; Corresponding ΔfHºliquid = -430.62 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 461.7 | K | N/A | Weast and Grasselli, 1989 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 659.75 | K | N/A | D'Souza and Teja, 1987 | Uncertainty assigned by TRC = 3. K; Ambrose's procedure; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 40.7447 | bar | N/A | D'Souza and Teja, 1987 | Uncertainty assigned by TRC = 1.00 bar; Ambrose's procedure; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 65.8 ± 0.4 | kJ/mol | GS | Emel'yanenko, Verevkin, et al., 2008 | Based on data from 289. to 324. K.; AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 356.7 | 0.016 | Aldrich Chemical Company Inc., 1990 | BS |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schjanberg, 1937
Schjanberg, E.,
Die verbrennungswarmen und die refraktionsdaten einiger pentensaureeste,
Z. Phys. Chem., 1937, 178, 274-281. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
D'Souza and Teja, 1987
D'Souza, R.; Teja, A.S.,
The prediction of the vapor pressures of carboxylic acids,
Chem. Eng. Commun., 1987, 61, 13. [all data]
Emel'yanenko, Verevkin, et al., 2008
Emel'yanenko, V.N.; Verevkin, S.P.; Burakova, E.N.; Roganov, G.N.; Georgieva, M.K.,
The thermodynamic properties of 4-pentenoic acid,
Russ. J. Phys. Chem. A, 2008, 82, 9, 1521-1526, https://doi.org/10.1134/S0036024408090215
. [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:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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