Benzene, 1-ethyl-3-methyl-
- Formula: C9H12
- Molecular weight: 120.1916
- 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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Phase change 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 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
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 434.5 ± 0.2 | K | AVG | N/A | Average of 21 out of 29 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 176. ± 4. | K | AVG | N/A | Average of 14 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 11.1 | kcal/mol | N/A | Ru«7825»icka, Zábranský, et al., 1994 | AC |
ΔvapH° | 11.2 | kcal/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 11.2 | kcal/mol | N/A | Johnson, Prosen, et al., 1945 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.4 | 363. | A | Stephenson and Malanowski, 1987 | Based on data from 348. to 438. K. See also Forziati, Norris, et al., 1949.; 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 |
---|---|---|---|---|
351.3 to 435.47 | 4.13501 | 1529.184 | -64.641 | Forziati, Norris, et al., 1949, 2 |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ru«7825»icka, Zábranský, et al., 1994
Ru«7825»icka, Vlastimil; Zábranský, Milan; Ru«7825»icka, Kvetoslav; Majer, Vladimír,
Vapor pressures for a group of high-boiling alkylbenzenes under environmental conditions,
Thermochimica Acta, 1994, 245, 121-144, https://doi.org/10.1016/0040-6031(94)85073-9
. [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]
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]
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]
Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D.,
Vapor pressures and boiling points of sixty API-NBS hydrocarbons,
J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050
. [all data]
Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D.,
Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons,
J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point 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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