Ethane, 1,1-diethoxy-
- Formula: C6H14O2
- Molecular weight: 118.1742
- IUPAC Standard InChI: InChI=1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
- IUPAC Standard InChIKey: DHKHKXVYLBGOIT-UHFFFAOYSA-N
- CAS Registry Number: 105-57-7
- 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: Acetaldehyde, diethyl acetal; Acetal; Diethyl acetal; Ethylidene diethyl ether; 1,1-Diethoxyethane; CH3CH(OC2H5)2; Acetal diethylique; Diaethylacetal; 1,1-Diaethoxy-aethan; 1,1-Diethoxy-ethaan; 1,1-Dietossietano; Acetale; Acetol; UN 1088; USAF DO-45; Capsicum annuum l; Ethylidine diethyl ether; Diethoxy-1,1-ethane; NSC 7624; Ethanal diethyl acetal; acetal (acetaldehyde diethyl acetal)
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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -453.6 ± 3.1 | kJ/mol | Ccb | Pihlaja and Heikkil, 1968 |
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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -3870.5 ± 2.3 | kJ/mol | Ccb | Pihlaja and Heikkil, 1968 | Corresponding ΔfHºliquid = -491.37 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 |
|---|---|---|---|
| 237.7 | 298. | von Reis, 1881 | T = 289 to 382 K.; 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.
Pihlaja and Heikkil, 1968
Pihlaja, K.; Heikkil, J.,
Heats of combustion. Diethyl ether and 1,1-diethoxyethane,
Acta Chem. Scand., 1968, 22, 2731-2732. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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