Pentanoic acid, ethyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: ICMAFTSLXCXHRK-UHFFFAOYSA-N
- CAS Registry Number: 539-82-2
- Chemical structure:
This structure is also available as a 2d Mol file
- Other names: Valeric acid, ethyl ester; Ethyl n-valerate; Ethyl pentanoate; Ethyl valerate; n-Valeric acid ethyl ester
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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
|fH°liquid||-554.1 ± 0.8||kJ/mol||Cm||Wiberg and Waldron, 1991||Heat of hydrolysis|
|fH°liquid||-553.8 ± 2.5||kJ/mol||Ccb||Hancock, Watson, et al., 1954||Reanalyzed by Cox and Pilcher, 1970, Original value = -552. kJ/mol|
|fH°liquid||-553.1 ± 8.4||kJ/mol||Ccb||Schjanberg, 1937||Heat of formation derived by Cox and Pilcher, 1970|
|cH°liquid||-4201.6 ± 2.5||kJ/mol||Ccb||Hancock, Watson, et al., 1954||Reanalyzed by Cox and Pilcher, 1970, Original value = -4201. kJ/mol; Corresponding «DELTA»fHºliquid = -553.79 kJ/mol (simple calculation by NIST; no Washburn corrections)|
|cH°liquid||-4202.4 ± 2.5||kJ/mol||Ccb||Schjanberg, 1937||Reanalyzed by Cox and Pilcher, 1970, Original value = -4197. ± 8. kJ/mol; At 293; Corresponding «DELTA»fHºliquid = -552.96 kJ/mol (simple calculation by NIST; no Washburn corrections)|
Go To: Top, Condensed phase thermochemistry data, Notes
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]
Hancock, Watson, et al., 1954
Hancock, C.K.; Watson, G.M.; Gilby, R.F., Heats of combustion of five-carbon fatty acids and their methyl and ethyl esters, J. Phys. Chem., 1954, 58, 127-129. [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]
Schjanberg, E., Die verbrennungswarmen und die refraktionsdaten einiger pentensaureeste, Z. Phys. Chem., 1937, 178, 274-281. [all data]
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
cH°liquid Enthalpy of combustion of liquid at standard conditions fH°liquid Enthalpy of formation of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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