Ethanol, 2-methoxy-
- Formula: C3H8O2
- Molecular weight: 76.0944
- IUPAC Standard InChI: InChI=1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
- 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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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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -100.9 ± 1.8 | kcal/mol | Cm | Guthrie, 1977 | Hydrolysis; ALS |
| ΔfH°liquid | -105.4 | kcal/mol | Ccb | Simonetta, 1947 | Author value for hf298-condensed=-123 kcal/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -450. | kcal/mol | Ccb | Simonetta, 1947 | Author value for hf298-condensed=-123 kcal/mol; Corresponding ΔfHºliquid = -105. kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 41.917 | 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 |
| 42.21 | 298.15 | Roux, Perron, et al., 1978 | DH |
| 41.80 | 298.15 | Kusano, Suurkuusk, et al., 1973 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, 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
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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