Benzene, 1,2,4,5-tetrafluoro-

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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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil363.KN/APCR Inc., 1990BS
Tboil362.7KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Ttriple277.03KN/AAndon and Martin, 1973Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc543.35KN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Pc37.51atmN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.06 atm; TRC
Quantity Value Units Method Reference Comment
Δvap8.89kcal/molN/ABoublik, Fried, et al., 1984Based on data from 290. - 390. K. See also Basarová and Svoboda, 1991.; AC
Δvap8.870kcal/molVFindlay, 1969ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.91405.AStephenson and Malanowski, 1987Based on data from 390. - 488. K.; AC
7.79503.AStephenson and Malanowski, 1987Based on data from 488. - 543. K.; AC
8.80308.AStephenson and Malanowski, 1987Based on data from 293. - 390. K. See also Ambrose, Ellender, et al., 1975 and Boublik, Fried, et al., 1984.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
3.5970277.03Andon and Martin, 1973, 2DH
3.597277.Andon and Martin, 1973AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
12.99277.03Andon and Martin, 1973, 2DH

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:


References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Andon and Martin, 1973
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 11.---Low-temperature heat capacities of the three tetrafluorobenzenes, J. Chem. Soc., Faraday Trans. 1, 1973, 69, 0, 761, https://doi.org/10.1039/f19736900761 . [all data]

Ambrose, Broderick, et al., 1974
Ambrose, D.; Broderick, B.E.; Townsend, R., The Critical Temperatures and Pressures of Thirty Organic Compounds, J. Appl. Chem. Biotechnol., 1974, 24, 359. [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]

Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav, Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data, Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I . [all data]

Findlay, 1969
Findlay, T.J.V., Vapor pressures of fluorobenzenes from 5° to 50°C, J. Chem. Eng. Data, 1969, 14, 229. [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]

Ambrose, Ellender, et al., 1975
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of fluorine compounds. Part 15.---Vapour pressures of the three tetrafluorobenzenes and 1,3,5-trichloro-2,4,6-trifluorobenzene, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 35, https://doi.org/10.1039/f19757100035 . [all data]

Andon and Martin, 1973, 2
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 11. Low-temperature heat capacities of the three tetrafluorobenzenes, J. Chem. Soc. Faraday Trans., 1973, I 69, 761-770. [all data]


Notes

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