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Methane, diethoxy-

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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, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil361.2 ± 0.9KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus206.KN/ATimmermans, 1935Uncertainty assigned by TRC = 2. K; TRC
Tfus206.65KN/ATimmermans, 1934Uncertainty assigned by TRC = 0.5 K; TRC
Tfus207.2KN/ATimmermans, 1927Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap35.74kJ/molN/AMajer and Svoboda, 1985 
Deltavap37. ± 2.kJ/molVLebedeva, Ryadnenko, et al., 1977Heat of combustion is not reported; ALS
Deltavap35.65 ± 0.17kJ/molCMansson, 1969ALS
Deltavap35.7kJ/molN/AMansson, 1969DRB
Deltavap35.7 ± 0.2kJ/molCMansson, 1969AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
31.33361.1N/AMajer and Svoboda, 1985 
36.1288.AStephenson and Malanowski, 1987Based on data from 273. - 361. K.; 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
273. - 348.4.110631270.167-51.891Nicolini and Laffitte, 1949Coefficents 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.

Timmermans, 1935
Timmermans, J., Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds., Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]

Timmermans, 1934
Timmermans, J., Theory of Concentrated Solutions XII., Bull. Soc. Chim. Belg., 1934, 43, 626. [all data]

Timmermans, 1927
Timmermans, J., The Melting Point of Organic Substances, Bull. Soc. Chim. Belg., 1927, 36, 502. [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]

Lebedeva, Ryadnenko, et al., 1977
Lebedeva, N.D.; Ryadnenko, V.L.; Gutner, N.M.; Nazarova, L.F.; Kiseleva, N.N.; Aizenshtadt, I.N.; Kirilenko, I.V., Possibility of using additive schemes for estimation of the enthalpies of formation of polyfunctional compounds, J. Anal. Chem. USSR (Engl. Transl.), 1977, 50, 726-729. [all data]

Mansson, 1969
Mansson, M., Non-bonded oxygen-oxygen interactions in straight-chain compounds, J. Chem. Thermodyn., 1969, 1, 141-151. [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]

Nicolini and Laffitte, 1949
Nicolini, E.; Laffitte, P., Tensions de Vapeur de Quelques Liquides Organiques Purs, Compt. Rend., 1949, 229, 757-759. [all data]


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