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Perfluorooctane

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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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil377.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil372. - 373.KN/APCR Inc., 1990BS
Tboil379.KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Tfus254.20KN/AStarkweather, 1986Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tc502.3KN/AErmakov and Skripov, 1967Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap9.837kcal/molN/AMajer and Svoboda, 1985 
Deltavap9.54kcal/molN/ADias, Caço, et al., 2004Based on data from 289. - 333. K.; AC
Deltavap9.8 ± 0.2kcal/molEBVarushchenko, Bulgakova, et al., 1981Based on data from 309. - 378. K.; AC
Deltavap9.82 ± 0.02kcal/molCVarushchenko, Bulgakova, et al., 1981AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
7.978379.N/AMajer and Svoboda, 1985 
7.6452.N/ADykyj, Svoboda, et al., 1999Based on data from 437. - 503. K.; AC
9.44325.AStephenson and Malanowski, 1987Based on data from 310. - 379. K. See also Kreglewski, 1962 and Dykyj and Vanko, 1970.; 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
310.47 - 378.912.974631200.037-77.078Kreglewski, 1962, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
2.29254.2Starkweather, 1986, 2AC

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.726190. - 200.crystaline, IIcrystaline, ICampos-Vallette, Rey-Lafon, et al., 1982DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
8.590190. - 200.crystaline, II, Data given for two solidcrystaline, I, solid transitions at 190 and 200 KCampos-Vallette, Rey-Lafon, et al., 1982DH

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:


Mass spectrum (electron ionization)

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin A.Pleshkova, Nesmeyanov Inst.Org.Elem.Cpds, Moscow
NIST MS number 283595

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References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes

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

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

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

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Starkweather, 1986
Starkweather, H.W., Jr., Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene), Marcomolecules, 1986, 19, 4, 1131, https://doi.org/10.1021/ma00158a034 . [all data]

Ermakov and Skripov, 1967
Ermakov, G.V.; Skripov, V.P., Saturation Line, Critical Parameters, and Attainable Superheating of the Perfluoroparaffins, Russ. J. Phys. Chem. (Engl. Transl.), 1967, 41, 39-43. [all data]

Dias, Caço, et al., 2004
Dias, A.M.A.; Caço, A.I.; Coutinho, J.A.P.; Santos, L.M.N.B.F.; Piñeiro, M.M.; Vega, L.F.; Gomes, M.F. Costa; Marrucho, I.M., Thermodynamic properties of perfluoro-n-octane, Fluid Phase Equilibria, 2004, 225, 39-47, https://doi.org/10.1016/j.fluid.2004.07.004 . [all data]

Varushchenko, Bulgakova, et al., 1981
Varushchenko, R.M.; Bulgakova, L.L.; Minzabekyants, P.S.; Makarov, K.N., Russ. J. Phys. Chem., 1981, 55, 1480. [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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 and Vanko, 1970
Dykyj, J.; Vanko, A., Petrochemica, 1970, 10, 1, 3. [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]

Starkweather, 1986, 2
Starkweather, Howard W., Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene), Macromolecules, 1986, 19, 4, 1131-1134, https://doi.org/10.1021/ma00158a034 . [all data]

Campos-Vallette, Rey-Lafon, et al., 1982
Campos-Vallette, M.; Rey-Lafon, M.; Lagnier, R., Vibrational and calorimetric study of phase transitions in n-C6F14 and n-C8F18 crystals, Chem. Phys. Lett., 1982, 89, 189-192. [all data]


Notes

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