Phenylpropiolic acid
- Formula: C9H6O2
- Molecular weight: 146.1427
- IUPAC Standard InChI: InChI=1S/C9H6O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,(H,10,11)
- IUPAC Standard InChIKey: XNERWVPQCYSMLC-UHFFFAOYSA-N
- CAS Registry Number: 637-44-5
- 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: Phenylacetylenecarboxylic acid; 3-Phenylpropynoic acid; 2-Propynoic acid, 3-phenyl-; Phenylacetylene monocarboxylic acid; Phenylpropynoic acid; Propiolic acid, phenyl-; Propiolic acid, 3-phenyl-; 3-Phenylpropiolic acid; β-Phenylpropargylic acid; 3-Phenylpropargylic acid; NSC 13669
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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 | -121.8 ± 4.0 | kJ/mol | Ccb | N/A | recalculated with modern CO2,H2O thermo; estimated uncertainty (NOTE all values in source also have wrong sign); DRB |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | 146. | kJ/mol | Ccb | Moureu and Andre, 1914 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -4277.3 | kJ/mol | Ccb | Moureu and Andre, 1914 | Corresponding ΔfHºsolid = -122. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Phase change data
Go To: Top, Condensed phase 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 410. | K | N/A | Reimer, 1942 | Uncertainty assigned by TRC = 2. K |
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.
Moureu and Andre, 1914
Moureu, C.; Andre, E.,
Thermochimie des composes acetyleniques,
Ann. Chim. Phys., 1914, 1, 113-145. [all data]
Reimer, 1942
Reimer, M.,
Preparation of Phenylpropiolic Acid,
J. Am. Chem. Soc., 1942, 64, 2510. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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