Ethane, 1,2-dimethoxy-
- Formula: C4H10O2
- Molecular weight: 90.1210
- IUPAC Standard InChI: InChI=1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3
- IUPAC Standard InChIKey: XTHFKEDIFFGKHM-UHFFFAOYSA-N
- CAS Registry Number: 110-71-4
- 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. - Other names: α,β-Dimethoxyethane; Dimethoxyethane; Dimethyl cellosolve; Ethylene dimethyl ether; Ethylene glycol dimethyl ether; Glycol dimethyl ether; Glyme; Monoethylene glycol dimethyl ether; Monoglyme; 1,2-Dimethoxyethane; 1,2-Ethanediol dimethyl ether; 2,5-Dioxahexane; CH3OCH2CH2OCH3; Egdme; UN 2252; Ansul ether 121; DME; DME (glycol ether); Hisolve MMM; NSC 60542
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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 | -379.56 ± 0.64 | kJ/mol | Ccr | Steele, Chirico, et al., 1996 | ALS |
| ΔfH°liquid | -420. ± 2. | kJ/mol | Eqk | Wiberg, Morgan, et al., 1994 | ALS |
| ΔfH°liquid | -376.6 ± 0.2 | kJ/mol | Ccr | Loucks and Laidler, 1967 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2623.6 ± 1.5 | kJ/mol | Ccr | Steele, Chirico, et al., 1996 | Corresponding ΔfHºliquid = -379.56 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 |
|---|---|---|---|
| 191.14 | 298.15 | Trejo, Costas, et al., 1991 | DH |
| 193.3 | 298.15 | Kusano, Suurkuusk, et al., 1973 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.,
Thermodynamic properties and ideal-gas enthalpies of formation for butyl vinyl ether, 1,2-dimethoxyethane, methyl glycolate, bicyclo[2.2.1]hept-2-ene, 5-vinylbicyclo[2.2.1]hept-2-ene, trans-azobenzene, butyl acrylate, di-tert-butyl ether, and hexane-1,6-diol,
J. Chem. Eng. Data, 1996, 41, 1285-1302. [all data]
Wiberg, Morgan, et al., 1994
Wiberg, K.B.; Morgan, K.M.; Maltz, H.,
Thermochemistry of carbonyl reactions. 6. A study of hydration equilibria,
J. Am. Chem. Soc., 1994, 116, 11067-11077. [all data]
Loucks and Laidler, 1967
Loucks, L.F.; Laidler, K.J.,
Thermochemistry of the methoxymethyl radical,
Can. J. Chem., 1967, 45, 2785-2793. [all data]
Trejo, Costas, et al., 1991
Trejo, L.M.; Costas, M.; Patterson, D.,
Excess heat capacity of organic mixtures, Internat. DATA Series,
Selected Data Mixt., 1991, Ser. [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, 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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