Benzene, 1-ethyl-3-methyl-
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChI: InChI=1S/C9H12/c1-3-9-6-4-5-8(2)7-9/h4-7H,3H2,1-2H3
- IUPAC Standard InChIKey: ZLCSFXXPPANWQY-UHFFFAOYSA-N
- CAS Registry Number: 620-14-4
- 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: Toluene, m-ethyl-; m-Ethylmethylbenzene; m-Ethyltoluene; m-Methylethylbenzene; 1-Ethyl-3-methylbenzene; 1-Methyl-3-ethylbenzene; 3-Ethyltoluene; meta-Ethyltoluene; Benzene, 3-ethyl-1-methyl-; 1,3-Methylethylbenzene; 3-Ethyl-1-methylbenzene; 3-Ethylmethylbenzene; 3-Methylethylbenzene; NSC 74176
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Condensed phase thermochemistry data
Go To: Top, 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°liquid | -48.8 ± 1.2 | kJ/mol | Ccb | Johnson, Prosen, et al., 1945 | Hf by Prosen, Johnson, et al., 1946 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -5207.9 ± 1.1 | kJ/mol | Ccb | Johnson, Prosen, et al., 1945 | Hf by Prosen, Johnson, et al., 1946; Corresponding ΔfHºliquid = -48.70 kJ/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.
Johnson, Prosen, et al., 1945
Johnson, W.H.; Prosen, E.J.; Rossini, F.D.,
Heats of combustion and isomerization of the eight C9H12 alkylbenzenes,
J. Res. NBS, 1945, 35, 141-146. [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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