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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Gas phase thermochemistry data
Go To: Top, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -81.9 ± 0.2 | kcal/mol | Ccr | Steele, Chirico, et al., 1996 | |
| ΔfH°gas | -93.1 ± 0.5 | kcal/mol | Eqk | Wiberg, Morgan, et al., 1994 | |
| ΔfH°gas | -81.37 ± 0.15 | kcal/mol | Ccr | Loucks and Laidler, 1967 |
Condensed phase thermochemistry data
Go To: Top, Gas 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:
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 | -90.72 ± 0.15 | kcal/mol | Ccr | Steele, Chirico, et al., 1996 | ALS |
| ΔfH°liquid | -100.4 ± 0.4 | kcal/mol | Eqk | Wiberg, Morgan, et al., 1994 | ALS |
| ΔfH°liquid | -90.02 ± 0.05 | kcal/mol | Ccr | Loucks and Laidler, 1967 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -627.06 ± 0.37 | kcal/mol | Ccr | Steele, Chirico, et al., 1996 | Corresponding ΔfHºliquid = -90.717 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 |
|---|---|---|---|
| 45.684 | 298.15 | Trejo, Costas, et al., 1991 | DH |
| 46.20 | 298.15 | Kusano, Suurkuusk, et al., 1973 | DH |
References
Go To: Top, Gas phase thermochemistry data, 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, Gas phase thermochemistry data, 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°gas Enthalpy of formation of gas 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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