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Di-n-propyl ether

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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 - R.L. Brown and S.E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, M. Frenkel director
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
AC - W.E. Acree, Jr., J.S. Chickos
DH - E.S. Domalski and E.D. Hearing

QuantityValueUnitsMethodReferenceComment
Tboil363. ± 1.KAVGN/AAverage of 7 values; Individual data points
QuantityValueUnitsMethodReferenceComment
Tfus149.95KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.4 K; TRC
QuantityValueUnitsMethodReferenceComment
Ttriple149.4KN/AAndon, Counsell, et al., 1975Metastable crystal phase; Uncertainty assigned by TRC = 0.1 K; TRC
Ttriple158.36KN/AAndon, Counsell, et al., 1975Uncertainty assigned by TRC = 0.06 K; TRC
QuantityValueUnitsMethodReferenceComment
Tc530.6KN/AMajer and Svoboda, 1985 
Tc530.60KN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.3 K; TRC
QuantityValueUnitsMethodReferenceComment
Pc30.28barN/AAmbrose, Broderick, et al., 1974Uncertainty assigned by TRC = 0.06 bar; TRC
QuantityValueUnitsMethodReferenceComment
Deltavap35.79kJ/molN/AMajer and Svoboda, 1985 
Deltavap35.68kJ/molCMajer, Wagner, et al., 1980ALS
Deltavap35.7 ± 0.1kJ/molCMajer, Wagner, et al., 1980AC
Deltavap36.5 ± 1.3kJ/molVColomina, Pell, et al., 1965Heat of formation derived by Cox and Pilcher, 1970; ALS

Enthalpy of vaporization

DeltavapH (kJ/mol)Temperature (K)MethodReferenceComment
31.31363.1N/AMajer and Svoboda, 1985 
31.274363.22N/AAndon, Counsell, et al., 1975, 2P = 101.30 kPa; DH
34.8323.EBAntosik, Fras, et al., 2002Based on data from 308. - 338. K.; AC
32.2400.AStephenson and Malanowski, 1987Based on data from 385. - 467. K.; AC
32.4480.AStephenson and Malanowski, 1987Based on data from 465. - 530. K.; AC
35.6307.AStephenson and Malanowski, 1987Based on data from 292. - 389. K. See also Ambrose, Ellender, et al., 1976.; AC
34.6327.A,EBStephenson and Malanowski, 1987Based on data from 312. - 371. K. See also Meyer and Hotz, 1973.; AC
31.4363.N/AAmbrose, Ellender, et al., 1976AC
35.1315.EBCidlinský and Polák, 1969Based on data from 300. - 362. K.; AC
34.5360.N/ALapidus and Nisel'son, 1968Based on data from 340. - 379. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K)A (kJ/mol)betaTc (K)ReferenceComment
298. - 363.53.410.2907530.6Majer and Svoboda, 1985 

Entropy of vaporization

DeltavapS (J/mol*K)Temperature (K)ReferenceComment
86.10363.22Andon, Counsell, et al., 1975, 2P; DH

Antoine Equation Parameters

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

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Temperature (K)ABCReference
312.9 - 371.334.01971 ± 0.000461227.47 ± 0.82-57.449 ± 0.095Meyer and Hotz, 1973
299.74 - 361.804.069511254.781-54.33Cidlinský and Polák, 1969

Enthalpy of fusion

DeltafusH (kJ/mol)Temperature (K)ReferenceComment
10.77158.4Domalski and Hearing, 1996AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol)Temperature (K)Initial PhaseFinal PhaseReferenceComment
9.540149.40crystaline, IliquidAndon, Counsell, et al., 1975, 2DH
10.770158.36crystaline, IIliquidAndon, Counsell, et al., 1975, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K)Temperature (K)Initial PhaseFinal PhaseReferenceComment
63.86149.40crystaline, IliquidAndon, Counsell, et al., 1975, 2DH
68.01158.36crystaline, IIliquidAndon, Counsell, et al., 1975, 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

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.

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Andon, Counsell, et al., 1975
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F., Thermodynamic properties of organic oxygen compounds: 39 heat capacity of n-propyl ether, J. Chem. Thermodyn., 1975, 7, 587. [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]

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]

Majer, Wagner, et al., 1980
Majer, V.; Wagner, Z.; Svoboda, V.; Cadek, V., Enthalpies of vaporization and cohesive energies for a group of aliphatic ethers, J. Chem. Thermodyn., 1980, 12, 387-391. [all data]

Colomina, Pell, et al., 1965
Colomina, M.; Pell, A.S.; Skinner, H.A.; Coleman, D.J., Heats of combustion of four dialkylethers, Trans. Faraday Soc., 1965, 61, 2641. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Andon, Counsell, et al., 1975, 2
Andon, R.J.L.; Counsell, J.F.; Lee, D.A.; Martin, J.F., Thermodynamic properties of organic oxygen compounds. 39. Heat capacity of n-propyl ether, J. Chem. Thermodynam., 1975, 7, 587-592. [all data]

Antosik, Fras, et al., 2002
Antosik, Maria; Fras, Zbigniew; Malanowski, Stanislaw K., Vapor-Liquid Equilibrium in 2-Ethoxyethanol + Valeraldehyde and + Propyl Ether at 313.15 to 333.15 K, J. Chem. Eng. Data, 2002, 47, 4, 757-760. [doi:10.1021/je000275u] [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987. [doi:10.1007/978-94-009-3173-2] [all data]

Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers, The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178. [doi:10.1016/0021-9614(76)90090-2] [all data]

Meyer and Hotz, 1973
Meyer, Edwin F.; Hotz, Roger D., High-precision vapor-pressure data for eight organic compounds, J. Chem. Eng. Data, 1973, 18, 4, 359-362. [doi:10.1021/je60059a008] [all data]

Cidlinský and Polák, 1969
Cidlinský, J.; Polák, J., Saturated vapour pressures of some ethers, Collect. Czech. Chem. Commun., 1969, 34, 4, 1317-1321. [doi:10.1135/cccc19691317] [all data]

Lapidus and Nisel'son, 1968
Lapidus, I.I.; Nisel'son, L.A., Russ. J. Phys. Chem., 1968, 42, 6, 733. [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. [doi:10.1063/1.555985] [all data]


Notes

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