Benzene, 1,4-diethyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChIKey: DSNHSQKRULAAEI-UHFFFAOYSA-N
- CAS Registry Number: 105-05-5
- 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: Benzene, p-diethyl-; p-Diethylbenzene; p-Ethylethylbenzene; 1,4-Diethylbenzene; para-Diethylbenzene
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 456.7 ± 0.6 | K | AVG | N/A | Average of 18 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 229.90 | K | N/A | Birch, Dean, et al., 1949 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 229.6 | K | N/A | Boord, Perilstein, et al., 1944 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 657.9 ± 0.5 | K | N/A | Tsonopoulos and Ambrose, 1995 | |
Tc | 657.89 | K | N/A | Ambrose, Broderick, et al., 1967 | Uncertainty assigned by TRC = 0.15 K; TRC |
Tc | 657.87 | K | N/A | Ambrose, Cox, et al., 1960 | Uncertainty assigned by TRC = 0.03 K; Visual, PRT, IPTS-48, sample wrongly named isobutyl benzene; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 27.7 ± 0.4 | atm | N/A | Tsonopoulos and Ambrose, 1995 | |
Pc | 27.66 | atm | N/A | Ambrose, Broderick, et al., 1967 | Uncertainty assigned by TRC = 0.07 atm; 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 |
---|---|---|---|---|
10.9 | 384. | A | Stephenson and Malanowski, 1987 | Based on data from 369. to 464. 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 |
---|---|---|---|---|
369.97 to 457.97 | 4.11973 | 1589.273 | -71.131 | 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.
Birch, Dean, et al., 1949
Birch, S.F.; Dean, R.A.; Fidler, F.A.; Lowry, R.A.,
The preparation of the c(10) monocyclic aromatic hydrocarbons,
J. Am. Chem. Soc., 1949, 71, 1362. [all data]
Boord, Perilstein, et al., 1944
Boord, C.E.; Perilstein, W.L.; Greenlee, K.W.,
, Am. Pet. Inst. Hydrocarbon Res. Proj., Sixth Annu. Ref., Ohio State Univ., Aug. 31, 1944. [all data]
Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D.,
Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons,
J. Chem. Eng. Data, 1995, 40, 547-558. [all data]
Ambrose, Broderick, et al., 1967
Ambrose, D.; Broderick, B.E.; Townsend, R.,
The Vapour Pressures above the Normal Boiling Point and the Critical Pressures of Some Aromatic Hydrocarbons,
J. Chem. Soc. , 1967, 1967, 1967, 633-41. [all data]
Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R.,
The critical temperatures of forty organic compounds,
Trans. Faraday Soc., 1960, 56, 1452. [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]
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:
Pc Critical pressure Tboil Boiling point Tc Critical temperature 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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