Hydrocinnamic acid
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChIKey: XMIIGOLPHOKFCH-UHFFFAOYSA-N
- CAS Registry Number: 501-52-0
- 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: Benzenepropanoic acid; β-Phenylpropionic acid; Benzenepropionic acid; Benzylacetic acid; Dihydrocinnamic acid; Phenylpropanoic acid; 3-Phenylpropanoic acid; 3-Phenylpropionic acid; Phenylpropionic acid; β-Phenylpropanoic acid; NSC 9272
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Phase change data
Go To: Top, References, Notes
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 553.0 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 321. | K | N/A | Timmermans, 1935 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 321.15 | K | N/A | Adams and Marshall, 1928 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 320. | K | N/A | Padoa, 1919 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 321.6 | K | N/A | Eykman, 1889 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 24.5 ± 0.2 | kcal/mol | ME | Monte and Hillesheim, 2001 | Based on data from 305. to 315. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.0 | 390. | A | Stephenson and Malanowski, 1987 | Based on data from 375. to 553. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
375.3 to 552.9 | 5.74938 | 3055.464 | -21.359 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
24.4 ± 0.2 | 310. | ME | Monte and Hillesheim, 2001 | Based on data from 305. to 315. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.731 | 321.2 | DSC | Monte and Hillesheim, 2001 | AC |
4.226 | 321.2 | N/A | Acree, 1991 | AC |
3.7199 | 321.6 | N/A | Eykman, 1889, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.6 | 321.6 | Eykman, 1889, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Timmermans, 1935
Timmermans, J.,
Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds.,
Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]
Adams and Marshall, 1928
Adams, R.; Marshall, J.R.,
The Use of Platinum-Oxide Platinum Black in the Catalytic Reduction of Aromatic Hydrocarbons XVII.,
J. Am. Chem. Soc., 1928, 50, 1970. [all data]
Padoa, 1919
Padoa, M.,
Atti Accad. Naz. Lincei, Cl. Sci. Fis., Mat. Nat., Rend., 1919, 28, 239. [all data]
Eykman, 1889
Eykman, J.F.,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1889, 4, 497. [all data]
Monte and Hillesheim, 2001
Monte, Manuel J.S.; Hillesheim, Dorothea M.,
Thermodynamic study on the sublimation of 3-phenylpropionic acid and of three methoxy-substituted 3-phenylpropionic acids,
The Journal of Chemical Thermodynamics, 2001, 33, 8, 837-847, https://doi.org/10.1006/jcht.2000.0767
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Eykman, 1889, 2
Eykman, J.F.,
Zur kryoskopischen Molekulargewichtsbestimmung,
Z. Physik. Chem., 1889, 4, 497-519. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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