Hexane, tetradecafluoro-
- Formula: C6F14
- Molecular weight: 338.0418
- IUPAC Standard InChIKey: ZJIJAJXFLBMLCK-UHFFFAOYSA-N
- CAS Registry Number: 355-42-0
- 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: Perfluoro-n-hexane; Perfluorohexane; PP 1 (Fluorocarbon); Tetradecafluorohexane; n-Tetradecafluorohexane; Fluorinert FC72; Flutec PP1; n-Perfluorohexane; Perfluoro-compound FC-72; AF 0150; Hexane, 1,1,1,2,2,3,3,4,4,5,5,6,6,6-tetradecafluoro-; Perflexane
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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 | 332.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 332. to 333. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 330.3 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 182.5 | K | N/A | Starkweather, 1986 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 185. | K | N/A | Campos-Vallette and Rey-Lafon, 1983 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 186.89 | K | N/A | Dunlap, Murphy, et al., 1958 | Uncertainty assigned by TRC = 0.06 K; TRC |
Tfus | 187.10 | K | N/A | Stiles and Cady, 1952 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 185. | K | N/A | Campos-Vallette, Rey-Lafon, et al., 1982 | Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC |
Ttriple | 187.45 | K | N/A | Crowder, Taylor, et al., 1967 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 448.77 | K | N/A | Mousa, 1978 | Uncertainty assigned by TRC = 1.3 K; technique of measurement not clear; TRC |
Tc | 449.0 | K | N/A | Skripov and Muratov, 1977 | TRC |
Tc | 448.77 | K | N/A | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tc | 451.7 | K | N/A | Ermakov and Skripov, 1967 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tc | 447.65 | K | N/A | Dunlap, Murphy, et al., 1958 | Uncertainty assigned by TRC = 0.5 K; by visual observation of meniscus; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 18.6813 | bar | N/A | Mousa, 1978 | Uncertainty assigned by TRC = 0.20 bar; measurement technique not clear; TRC |
Pc | 19.05 | bar | N/A | Skripov and Muratov, 1977 | Vis, pc by extrapolation of VP; TRC |
Pc | 18.681 | bar | N/A | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.0344 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 1.650 | mol/l | N/A | Mousa, 1978 | Uncertainty assigned by TRC = 0.009 mol/l; method of measurement not clear; TRC |
ρc | 1.65 | mol/l | N/A | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.0165 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 32.5 ± 0.1 | kJ/mol | N/A | Dias, Gonçalves, et al., 2005 | Based on data from 289. to 333. K.; AC |
ΔvapH° | 31.4 | kJ/mol | N/A | Boublik, Fried, et al., 1984 | Based on data from 285. to 340. K. See also Basarová and Svoboda, 1991.; AC |
ΔvapH° | 32.4 | kJ/mol | N/A | Stiles and Cady, 1952, 2 | Based on data from 284. to 342. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
34.4 | 276. | A | Stephenson and Malanowski, 1987 | Based on data from 261. to 334. K.; AC |
33.4 | 441. | A | Stephenson and Malanowski, 1987 | Based on data from 433. to 449. K. See also Mousa, 1978, 2.; AC |
31.5 | 316. | N/A | Dunlap, Murphy, et al., 1958, 2 | Based on data from 303. to 330. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
256.43 to 447.08 | 4.07362 | 1113.329 | -56.472 | Crowder, Taylor, et al., 1967, 2 | Coefficents calculated by NIST from author's data. |
324.1 to 451.7 | 4.64693 | 1570.217 | 14.047 | Ermakov and Skripov, 1967, 2 | Coefficents calculated by NIST from author's data. |
303.21 to 330.6 | 2.12401 | 327.523 | -175.973 | Dunlap, Murphy, et al., 1958, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.84 | 185. | Domalski and Hearing, 1996 | See also Starkweather, 1986, 2.; AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.967 | 103. | crystaline, II | crystaline, I | Campos-Vallette, Rey-Lafon, et al., 1982, 2 | Transition between 90 and 130 K.; DH |
6.837 | 185. | crystaline, I | liquid | Campos-Vallette, Rey-Lafon, et al., 1982, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
10.00 | 103. | crystaline, II | crystaline, I | Campos-Vallette, Rey-Lafon, et al., 1982, 2 | Transition; DH |
36.8 | 185. | crystaline, I | liquid | Campos-Vallette, Rey-Lafon, et al., 1982, 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.
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]
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]
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]
Campos-Vallette and Rey-Lafon, 1983
Campos-Vallette, M.; Rey-Lafon, M.,
J. Mol. Struct., 1983, 101, 23. [all data]
Dunlap, Murphy, et al., 1958
Dunlap, R.D.; Murphy, C.J.; Bedford, R.G.,
Some physical properties of perfluoro-n-hexane,
J. Am. Chem. Soc., 1958, 80, 83. [all data]
Stiles and Cady, 1952
Stiles, V.E.; Cady, G.H.,
Physical properties of perfluoro-n-hexane and perfluoro-2-methylpentane,
J. Am. Chem. Soc., 1952, 74, 3771-3. [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-C8H18 Crystals,
Chem. Phys. Lett., 1982, 89, 189. [all data]
Crowder, Taylor, et al., 1967
Crowder, G.A.; Taylor, Z.L.; Reed, T.M.; Young, J.A.,
Vapor Pressures and Triple Point Temp. for Several Pure Fluorocarbons fluorocarbons,
J. Chem. Eng. Data, 1967, 12, 481. [all data]
Mousa, 1978
Mousa, A.H.N.,
Study of Vapor Pressure and Critical Properties of Perfluoro-n-Hexane,
J. Chem. Eng. Data, 1978, 23, 133-4. [all data]
Skripov and Muratov, 1977
Skripov, V.P.; Muratov, G.N.,
The surface tensions of liquids and their interpretation by the method of thermodynamic similarity.,
Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 806-8. [all data]
Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A.,
The critical constants of binary mixtures of certain perfluoro-compounds with alkanes,
J. Chem. Thermodyn., 1972, 4, 301-11. [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, Gonçalves, et al., 2005
Dias, Ana M.A.; Gonçalves, Carla M.B.; Caço, Ana I.; Santos, Luís M.N.B.F.; Piñeiro, Manuel M.; Vega, Lourdes F.; Coutinho, João A.P.; Marrucho, Isabel M.,
Densities and Vapor Pressures of Highly Fluorinated Compounds,
J. Chem. Eng. Data, 2005, 50, 4, 1328-1333, https://doi.org/10.1021/je050056e
. [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]
Stiles and Cady, 1952, 2
Stiles, Vernon E.; Cady, George H.,
Physical Properties of Perfluoro-n-hexane and Perfluoro-2-methylpentane,
J. Am. Chem. Soc., 1952, 74, 15, 3771-3773, https://doi.org/10.1021/ja01135a017
. [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]
Mousa, 1978, 2
Mousa, A.H.N.,
Study of vapor pressure and critical properties of perfluoro-n-hexane,
J. Chem. Eng. Data, 1978, 23, 2, 133-134, https://doi.org/10.1021/je60077a004
. [all data]
Dunlap, Murphy, et al., 1958, 2
Dunlap, Robert D.; Murphy, C.J.; Bedford, Ray G.,
Some Physical Properties of Perfluoro-n-hexane,
J. Am. Chem. Soc., 1958, 80, 1, 83-85, https://doi.org/10.1021/ja01534a023
. [all data]
Crowder, Taylor, et al., 1967, 2
Crowder, Gene A.; Taylor, Zelma Lowell; Reed, Thomas McKennan; Young, John Adams,
Vapor pressures and triple point temperatures for several pure fluorocarbons,
J. Chem. Eng. Data, 1967, 12, 4, 481-485, https://doi.org/10.1021/je60035a005
. [all data]
Ermakov and Skripov, 1967, 2
Ermakov, H.V.; Skripov, V.P.,
Saturation Line Critical Parameters and Reachable Overheat of Perfluoroparaffins,
Zh. Fiz. Khim., 1967, 41, 1, 77-81. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [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, 2
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
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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