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Trifluoroacetic acid

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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil347.KN/AFarchan Laboratories, 1990BS
Tboil347.KN/APCR Inc., 1990BS
Tboil345.6KN/AWeast and Grasselli, 1989BS
Tboil345.1KN/AMalijevska, Sysova, et al., 1986Uncertainty assigned by TRC = 0.2 K; TRC
Tboil345.7KN/AParnes, Khotimskaya, et al., 1969Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus531.17KN/AKohler, Atrops, et al., 1981Uncertainty assigned by TRC = 0.2 K; TRC
Tfus288.43KN/AParnes, Khotimskaya, et al., 1969Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Deltavap41. ± 3.kJ/molEGuthrie, 1976ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
35.9300.AStephenson and Malanowski, 1987Based on data from 285. - 345. K. See also Kreglewski, 1962, Dykyj, 1970, and Boublik, Fried, et al., 1984.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
285. - 344.803.345341267.252-52.958Kreglewski, 1962, 2Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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.

Farchan Laboratories, 1990
Farchan Laboratories, Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

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]

Malijevska, Sysova, et al., 1986
Malijevska, I.; Sysova, M.; Vlckova, D., Vapour-Liquid Equilibrium in Strongly Associated Systems. The Systems Acetic Acid-Propionic Acid and Acetic Acid-Trifluoroacetic Acid, Collect. Czech. Chem. Commun., 1986, 51, 194. [all data]

Parnes, Khotimskaya, et al., 1969
Parnes, Z.N.; Khotimskaya, G.A.; Kudryavtsev, R.V.; Lukina, M.Y.; Kursanov, D.N., The Behavior of Cyclopropane Hydrocarbons in Ionic Hydrogenation Reactions, Dokl. Akad. Nauk SSSR, Ser. Khim., 1969, 184, 615-8. [all data]

Kohler, Atrops, et al., 1981
Kohler, F.; Atrops, H.; Kalali, H.; Liebermann, E.; Wilhelm, E.; Ratkovics, F.; Salamon, T., Molecular Interactions in Mistures of Carboxylic Acids with Amines 1. Melting Curves adn Viscosities, J. Phys. Chem., 1981, 85, 2520-4. [all data]

Guthrie, 1976
Guthrie, J.P., Thermodynamics of ester and orthoester formation from trifluoroacetic acid, Can. J. Chem., 1976, 54, 202-209. [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]

Kreglewski, 1962
Kreglewski, A., Bull. Pol. Acad. Sci., Ser. Sci. Chem., 1962, 10, 629. [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Kreglewski, 1962, 2
Kreglewski, A., Vapour Pressures and Molar Volumes of Liquid Perfluoro-n-Octane Trifluoracetic Acid, and its Anhydride, Bull. Acad. Pol. Sci. Ser. Sci. Chim., 1962, 10, 11-12, 629-633. [all data]


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