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, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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 |
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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -120.84 ± 0.12 | kcal/mol | Cm | Wiberg and Waldron, 1991 | Heat of hydrolysis; ALS |
| ΔfH°liquid | -120.1 ± 0.2 | kcal/mol | Ccr | Mansson, 1972 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -691.68 ± 0.16 | kcal/mol | Ccr | Mansson, 1972 | Corresponding ΔfHºliquid = -120.15 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -690.3 | kcal/mol | Ccb | Schjanberg, 1935 | Corresponding ΔfHºliquid = -121.5 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -696.00 ± 0.48 | kcal/mol | Ccb | Roth and Muller, 1929 | Corresponding ΔfHºliquid = -115.83 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 47.701 | 298.33 | Zabransky, Hynek, et al., 1987 | T = 294 to 349 K. Unsmoothed experimental datum.; DH |
| 48.016 | 298.15 | Jimenez, Romani, et al., 1986 | DH |
Reaction 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
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
+
=
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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 |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
| k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
|---|---|---|---|
| 4.6 | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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]
Schjanberg, 1935
Schjanberg, E.,
Die Verbrennungswarmen und die Refraktionsdaten einiger chlorsubstituierter Fettsauren und Ester.,
Z. Phys. Chem. Abt. A, 1935, 172, 197-233. [all data]
Roth and Muller, 1929
Roth, W.A.; Muller, Fr.,
Die Zersetzungswarme der Stickstoffwasserstoffsaure,
Ber., 1929, 62, 1188-1194. [all data]
Zabransky, Hynek, et al., 1987
Zabransky, M.; Hynek, V.; Finkeova-Hastabova, J.; Vesely, F.,
Heat capacities of six liquid esters as a function of temperature,
Coll. Czech. Chem. Comm., 1987, 52, 251-256. [all data]
Jimenez, Romani, et al., 1986
Jimenez, E.; Romani, L.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Molar excess heat capacities and volumes for mixtures of alkanoates with cyclohexane at 25°C,
J. Solution Chem., 1986, 15(11), 879-890. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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