Benzene, 1-methyl-3-propyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChI: InChI=1S/C10H14/c1-3-5-10-7-4-6-9(2)8-10/h4,6-8H,3,5H2,1-2H3
- IUPAC Standard InChIKey: QUEBYVKXYIKVSO-UHFFFAOYSA-N
- CAS Registry Number: 1074-43-7
- 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: Toluene, m-propyl-; m-Propyltoluene; 1-Methyl-3-propylbenzene; 3-n-Propyltoluene; 1-Methyl-3-n-propylbenzene; 3-Propyl-toluene
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Condensed phase 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -18.22 ± 0.29 | kcal/mol | Ccb | Good, 1973 | |
| ΔfH°liquid | -18.02 ± 0.52 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1400.50 ± 0.26 | kcal/mol | Ccb | Good, 1973 | Corresponding ΔfHºliquid = -18.22 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -1400.72 ± 0.53 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | Corresponding ΔfHºliquid = -18.00 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 454. ± 4. | K | AVG | N/A | Average of 11 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 190.570 | K | N/A | Streiff, Schultz, et al., 1960 | Uncertainty assigned by TRC = 0.02 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 12.5 | kcal/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 11.4 | 349. | A | Stephenson and Malanowski, 1987 | Based on data from 334. to 485. K.; AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good, 1973
Good, W.D.,
The enthalpies of combustion and formation of n-butylbenzene, the diethylbenzenes, the methyl-n-propylbenzenes, and the methyl-iso-propylbenzenes,
J. Chem. Thermodyn., 1973, 5, 707-714. [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]
Streiff, Schultz, et al., 1960
Streiff, A.J.; Schultz, L.H.; Krouskop, N.C.; Moore, J.W.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 16 API Standard and API Research Hydrocarbons,
J. Chem. Eng. Data, 1960, 5, 193-5. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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