Ethanol, 2-methoxy-

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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-376.9 ± 8.1kJ/molCmGuthrie, 1977Hydrolysis; ALS
Δfgas-395.9kJ/molN/ASimonetta, 1947Value computed using ΔfHliquid° value of -441.0 kj/mol from Simonetta, 1947 and ΔvapH° value of 45.1 kj/mol from Guthrie, 1977.; DRB

Condensed phase thermochemistry 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:
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
Δfliquid-422.0 ± 7.6kJ/molCmGuthrie, 1977Hydrolysis; ALS
Δfliquid-441.0kJ/molCcbSimonetta, 1947Author value for hf298-condensed=-123 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-1880.kJ/molCcbSimonetta, 1947Author value for hf298-condensed=-123 kcal/mol; Corresponding Δfliquid = -439. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
175.38298.15Svoboda, Zabransky, et al., 1991T = 298 to 330 K. Cp(liq) = 84.235 + 0.3057(T/K) J/mol*K. Cp value calculated from equation.; DH
176.6298.15Roux, Perron, et al., 1978DH
174.9298.15Kusano, Suurkuusk, et al., 1973DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil397.5 ± 0.3KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tc597.6KN/AWilson, Wilson, et al., 1996Uncertainty assigned by TRC = 0.2 K; by a static method; TRC
Tc571.KN/ASteele, Chirico, et al., 1994Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc52.85barN/AWilson, Wilson, et al., 1996Uncertainty assigned by TRC = 0.20 bar; by a static method; TRC
Pc36.00barN/ASteele, Chirico, et al., 1994Uncertainty assigned by TRC = 0.05 bar; TRC
Quantity Value Units Method Reference Comment
ρc3.80mol/lN/AWilson, Wilson, et al., 1996Uncertainty assigned by TRC = 0.09 mol/l; TRC
ρc4.03mol/lN/ASteele, Chirico, et al., 1994Uncertainty assigned by TRC = 0.04 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap45.2kJ/molN/AMajer and Svoboda, 1985 
Δvap45.1kJ/molN/AGuthrie, 1977DRB
Δvap45.2 ± 0.2kJ/molCKusano, Wadsö, et al., 1971AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
37.54397.3N/AMajer and Svoboda, 1985 
43.0361.N/AMarrufo, Loras, et al., 2010Based on data from 346. to 397. K.; AC
42.8348.AStephenson and Malanowski, 1987Based on data from 333. to 423. K.; AC
42.9344.N/APick, Fried, et al., 1956Based on data from 329. to 396. K.; AC
41.3273.VGallaugher and Hibbert, 1937ALS

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
329.3 to 396.75.063861853.556-30.838Pick, Fried, et al., 1956, 2Coefficents 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:


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Guthrie, 1977
Guthrie, J.P., Cyclization of glycol monoesters to give hemiorthoesters: a test of the thermochemical method for determining free energies of tetrahedral intermediates, Can. J. Chem., 1977, 55, 3562-3574. [all data]

Simonetta, 1947
Simonetta, M., II problema termico nella catena di reazioni tra ossido di etilene ed alcool metilico, Chimi. Ind. (Milan), 1947, 29, 37-39. [all data]

Svoboda, Zabransky, et al., 1991
Svoboda, V.; Zabransky, M.; Barta, M., Molar heat capacities of 2-methoxyethanol, 2-ethoxyethanol, and 2-propoxyethanol in the temperature range from 298K to 330K, J. Chem. Thermodynam., 1991, 23, 711-712. [all data]

Roux, Perron, et al., 1978
Roux, G.; Perron, G.; Desnoyers, J.E., Model systems for hydrophobic interactions: volumes and heat capacities of n-alkoxyethanols in water, J. Solution Chem., 1978, 7, 639-654. [all data]

Kusano, Suurkuusk, et al., 1973
Kusano, K.; Suurkuusk, J.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 2. Alkoxyethanols and 1,2-dialkoxyethanes in water, J. Chem. Thermodynam. 5,757-767 (1973).73LEB/TSV Lebedev, B.V., Tsvetkova, L.Ya., and Rabinovich, I.B., Specific heat and thermodynamic functions of poly(vinyltrimethylsilane), Tr. Khim. Khim. Tekhnol., 1973, (1), 17-18. [all data]

Wilson, Wilson, et al., 1996
Wilson, L.C.; Wilson, H.L.; Wilding, W.V.; Wilson, G.M., Critical Point Measurements for Fourteen Compounds by a Static Method and a Flow Method, J. Chem. Eng. Data, 1996, 41, 1252-4. [all data]

Steele, Chirico, et al., 1994
Steele, W.V.; Chirico, R.D.; Hossenlopp, I.A.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K., DIPPR project 871. Determination of ideal-gas enthalpies of formation for key compounds. The 1990 project results, Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Ser. No. 2, p. 188-215. [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]

Kusano, Wadsö, et al., 1971
Kusano, Kazuhito; Wadsö, Ingemar; Rømming, Chr.; Lindberg, Alf A.; Lagerlund, Inger; Ehrenberg, L., Enthalpies of Vaporization of Organic Compounds. VIII. Alkoxyethanols., Acta Chem. Scand., 1971, 25, 219-224, https://doi.org/10.3891/acta.chem.scand.25-0219 . [all data]

Marrufo, Loras, et al., 2010
Marrufo, Beatriz; Loras, Sonia; Sanchotello, Margarita, Isobaric Vapor-Liquid Equilibria for Binary and Ternary Mixtures with Cyclohexane, Cyclohexene, and 2-Methoxyethanol at 100 kPa, J. Chem. Eng. Data, 2010, 55, 1, 62-68, https://doi.org/10.1021/je900259b . [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]

Pick, Fried, et al., 1956
Pick, J.; Fried, V.; Hala, E.; Vilim, O., Collect. Czech. Chem. Commun., 1956, 21, 260. [all data]

Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H., Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives, J. Am. Chem. Soc., 1937, 59, 2521-2525. [all data]

Pick, Fried, et al., 1956, 2
Pick, J.; Fried, V.; Hala, E.; Vilim, O., Der Dampfdruck des Athylenglykolmonomethylathers und des Athylenglykolmonoathylathers, Collect. Czech. Chem. Commun., 1956, 21, 1, 260-261, https://doi.org/10.1135/cccc19560260 . [all data]


Notes

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