Propanoic acid, ethyl ester
- Formula: C5H10O2
- Molecular weight: 102.1317
- IUPAC Standard InChI: InChI=1S/C5H10O2/c1-3-5(6)7-4-2/h3-4H2,1-2H3
- IUPAC Standard InChIKey: FKRCODPIKNYEAC-UHFFFAOYSA-N
- CAS Registry Number: 105-37-3
- 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: Propionic acid, ethyl ester; Ethyl propanoate; Ethyl propionate; Propionic ester; Propionic ether; C2H5COOC2H5; Propionate d'ethyle; Ethylester kyseliny propionove; UN 1195; Ethyl ester of propanoic acid; Ethyl n-propionate; n-Ethyl propanoate; NSC 8848
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes
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 |
|---|---|---|---|---|---|
| ΔfH°gas | -111.5 ± 0.1 | kcal/mol | Cm | Wiberg and Waldron, 1991 | Heat of hydrolysis |
| ΔfH°gas | -110.8 ± 0.2 | kcal/mol | Ccr | Mansson, 1972 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes
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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
+
By formula: C2H6O + C3H6O2 = C5H10O2 + H2O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -5.40 ± 0.10 | kcal/mol | Eqk | Essex and Sandholzer, 1938 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -5.627 kcal/mol |
+
=
By formula: H2 + C5H8O2 = C5H10O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -32.5 ± 1.1 | kcal/mol | Chyd | Vilcu and Perisanu, 1980 | liquid phase |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 10.00 ± 0.02 | PI | Watanabe, Nakayama, et al., 1962 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C3H7O2+ | 10.4 ± 0.1 | ? | EI | Munson and Franklin, 1964 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F.,
Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C4-C13 monocyclic lactones. strain energies and conformations,
J. Am. Chem. Soc., 1991, 113, 7697-7705. [all data]
Mansson, 1972
Mansson, M.,
Enthalpies of combustion and formation of ethyl propionate and diethyl carbonate,
J. Chem. Thermodyn., 1972, 4, 865-871. [all data]
Essex and Sandholzer, 1938
Essex, H.; Sandholzer, M.,
The free energy of formation of ethyl propionate,
J. Phys. Chem., 1938, 42, 317-333. [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]
Vilcu and Perisanu, 1980
Vilcu, R.; Perisanu, S.,
The ideal gas state enthalpies of formation of some monomers,
Rev. Roum. Chim., 1980, 25, 619-624. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Munson and Franklin, 1964
Munson, M.S.B.; Franklin, J.L.,
Energetics of some gaseous oxygenated organic ions,
J. Phys. Chem., 1964, 68, 3191. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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