Ethanol, 2-methoxy-
- Formula: C3H8O2
- Molecular weight: 76.0944
- IUPAC Standard InChIKey: XNWFRZJHXBZDAG-UHFFFAOYSA-N
- CAS Registry Number: 109-86-4
- 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. - Species with the same structure:
- Other names: β-Methoxyethanol; Dowanol EM; Ethylene glycol monomethyl ether; Methoxyethanol; Methyl cellosolve; Monomethyl glycol; MECS; Poly-Solv EM; 1-Hydroxy-2-methoxyethane; 2-Methoxy-1-ethanol; 2-Methoxyethanol; HOCH2CH2OCH3; 2-Hydroxyethyl methyl ether; Aethylenglykol-monomethylaether; Ether monomethylique de l'ethylene-glycol; Ethylene glycol methyl ether; Glycol monomethyl ether; Glycolmethyl ether; Methoxyhydroxyethane; Methyl glycol; Methyl oxitol; Methylglykol; Metil cellosolve; Metoksyetylowy alkohol; Monomethyl ether of ethylene glycol; 2-Methoxy-aethanol; 2-Metossietanolo; EGME; Glycol ether EM; Jeffersol EM; Methylcelosolv; Methyl ethoxol; Prist; UN 1188; Methoxyethylene glycol; Ektasolve EM; 2-Methoxyethyl alcohol; Methyl icinol; 3-Oxa-1-butanol; Amsco-Solv EE; Monoethylene glycol methyl ether; NSC 1258; EGM; 2-methoxyethanol (methyl cellosolve)
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -376.9 ± 8.1 | kJ/mol | Cm | Guthrie, 1977 | Hydrolysis; ALS |
ΔfH°gas | -395.9 | kJ/mol | N/A | Simonetta, 1947 | Value 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
Go To: Top, Gas phase thermochemistry data, Phase change 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:
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 |
---|---|---|---|---|---|
ΔfH°liquid | -422.0 ± 7.6 | kJ/mol | Cm | Guthrie, 1977 | Hydrolysis; ALS |
ΔfH°liquid | -441.0 | kJ/mol | Ccb | Simonetta, 1947 | Author value for hf298-condensed=-123 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1880. | kJ/mol | Ccb | Simonetta, 1947 | Author value for hf298-condensed=-123 kcal/mol; Corresponding ΔfHºliquid = -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 |
---|---|---|---|
175.38 | 298.15 | Svoboda, Zabransky, et al., 1991 | T = 298 to 330 K. Cp(liq) = 84.235 + 0.3057(T/K) J/mol*K. Cp value calculated from equation.; DH |
176.6 | 298.15 | Roux, Perron, et al., 1978 | DH |
174.9 | 298.15 | Kusano, Suurkuusk, et al., 1973 | DH |
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:
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 |
---|---|---|---|---|---|
Tboil | 397.5 ± 0.3 | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 597.6 | K | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.2 K; by a static method; TRC |
Tc | 571. | K | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 52.85 | bar | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.20 bar; by a static method; TRC |
Pc | 36.00 | bar | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 0.05 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.80 | mol/l | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.09 mol/l; TRC |
ρc | 4.03 | mol/l | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 0.04 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 45.2 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 45.1 | kJ/mol | N/A | Guthrie, 1977 | DRB |
ΔvapH° | 45.2 ± 0.2 | kJ/mol | C | Kusano, Wadsö, et al., 1971 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.54 | 397.3 | N/A | Majer and Svoboda, 1985 | |
43.0 | 361. | N/A | Marrufo, Loras, et al., 2010 | Based on data from 346. to 397. K.; AC |
42.8 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 423. K.; AC |
42.9 | 344. | N/A | Pick, Fried, et al., 1956 | Based on data from 329. to 396. K.; AC |
41.3 | 273. | V | Gallaugher and Hibbert, 1937 | ALS |
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 396.7 | 5.06386 | 1853.556 | -30.838 | Pick, Fried, et al., 1956, 2 | Coefficents calculated by NIST from author's data. |
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
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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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