Benzene, 2-ethyl-1,4-dimethyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChI: InChI=1S/C10H14/c1-4-10-7-8(2)5-6-9(10)3/h5-7H,4H2,1-3H3
- IUPAC Standard InChIKey: AXIUBBVSOWPLDA-UHFFFAOYSA-N
- CAS Registry Number: 1758-88-9
- 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: p-Xylene, 2-ethyl-; 1,4-Dimethyl-2-ethylbenzene; 2-Ethyl-p-xylene; 2-Ethyl-1,4-dimethylbenzene; 2,5-Dimethylethylbenzene
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -20.27 ± 0.29 | kcal/mol | Ccb | Good, 1975 | |
| ΔfH°liquid | -20.38 ± 0.61 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1398.45 ± 0.26 | kcal/mol | Ccb | Good, 1975 | Corresponding ΔfHºliquid = -20.27 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -1398.36 ± 0.62 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | Corresponding ΔfHºliquid = -20.36 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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.
Good, 1975
Good, W.D.,
The standard enthalpies of combustion and formation of n-butylbenzene, the dimethylethylbenzenes, and the tetramethylbenzenes in the condensed state,
J. Chem. Thermodyn., 1975, 7, 49-59. [all data]
Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D.,
Heats of combustion and formation at 25°C of the alkylbenzenes through C10H14, and of the higher normal monoalkylbenzenes,
J. Res. NBS, 1946, 36, 455-461. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
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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