Benzene, 1-ethenyl-4-ethyl-
- Formula: C10H12
- Molecular weight: 132.2023
- IUPAC Standard InChI: InChI=1S/C10H12/c1-3-9-5-7-10(4-2)8-6-9/h3,5-8H,1,4H2,2H3
- IUPAC Standard InChIKey: WHFHDVDXYKOSKI-UHFFFAOYSA-N
- CAS Registry Number: 3454-07-7
- 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: Styrene, p-ethyl-; p-Ethylstyrene; p-Ethylvinylbenzene; 4-Ethenylstyrene; 4-Ethylstyrene; 1-Ethenyl-4-ethylbenzene; 4-Ethyl-1-ethenyl benzene; 1-Ethyl-4-vinylbenzene
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Phase change data
Go To: Top, Reaction 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 223.42 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.5 K; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 11.6 | 356. | A | Stephenson and Malanowski, 1987 | Based on data from 341. to 448. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 299. to 462. | 4.69480 | 2015.517 | -32.959 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry data
Go To: Top, Phase change 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
+
By formula: C10H12 = C10H10 + H2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 30.1 ± 2.3 | kcal/mol | Cm | Lebedev, Rozhkov, et al., 1983 | gas phase; Dehydrogenation, gas phase |
=
+
By formula: C10H14 = H2 + C10H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 31. ± 2. | kcal/mol | Cm | Lebedev, Rozhkov, et al., 1983 | gas phase; Dehydrogenation, gas phase |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Lebedev, Rozhkov, et al., 1983
Lebedev, N.N.; Rozhkov, V.I.; Odabashyan, G.V.; Rozhkova, I.O.; Zaidman, O.A.,
Dehydrogenation of p-diethylbenzene,
Neftekhimiya, 1983, 23, 508-510. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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