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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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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 |
---|---|---|---|---|---|
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. |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-670, 10% IN CCl4 FOR 670-250 CM-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 290807 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature 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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