Ethyl propiolate
- Formula: C5H6O2
- Molecular weight: 98.0999
- IUPAC Standard InChI: InChI=1S/C5H6O2/c1-3-5(6)7-4-2/h1H,4H2,2H3
- IUPAC Standard InChIKey: FMVJYQGSRWVMQV-UHFFFAOYSA-N
- CAS Registry Number: 623-47-2
- 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: Ethyl acetylenecarboxylate; Propiolic acid ethyl ester; Ethyl propynoate; 2-Propynoic acid, ethyl ester; (Ethoxycarbonyl)acetylene; Ethyl 2-propynoate
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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -166.0 ± 3.0 | kJ/mol | Ccb | N/A | recalculated with modern CO2,H2O thermo; estimated uncertainty (NOTE all values in source also have wrong sign); DRB |
| ΔfH°liquid | 187. | kJ/mol | Ccb | Moureu and Andre, 1914 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2659. | kJ/mol | Ccb | Moureu and Andre, 1914 | Corresponding ΔfHºliquid = -167. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Moureu and Andre, 1914
Moureu, C.; Andre, E.,
Thermochimie des composes acetyleniques,
Ann. Chim. Phys., 1914, 1, 113-145. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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