Cyclohexane, (1,1-dimethylethyl)-
- Formula: C10H20
- Molecular weight: 140.2658
- IUPAC Standard InChIKey: XTVMZZBLCLWBPM-UHFFFAOYSA-N
- CAS Registry Number: 3178-22-1
- 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: Cyclohexane, tert-butyl-; tert-Butylcyclohexane; 1-tert-Butylcyclohexane; t-Butylcyclohexane; Cyclohexane, t-butyl-
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Phase change data
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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 | 444. ± 3. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 231.95 | K | N/A | Boord, Perilstein, et al., 1944 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 659. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46.98 | kJ/mol | N/A | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.01 | 444.7 | N/A | Majer and Svoboda, 1985 | |
42.9 | 370. | A | Stephenson and Malanowski, 1987 | Based on data from 355. to 446. K. See also Forziati, Norris, et al., 1949.; AC |
45.0 ± 0.1 | 328. | C | Svoboda, Charvátová, et al., 1981 | AC |
44.0 ± 0.1 | 343. | C | Svoboda, Charvátová, et al., 1981 | AC |
43.0 ± 0.1 | 358. | C | Svoboda, Charvátová, et al., 1981 | AC |
42.4 ± 0.1 | 368. | C | Svoboda, Charvátová, et al., 1981 | AC |
Enthalpy of vaporization
ΔvapH = A exp(-αTr)
(1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | 328. to 368. |
---|---|
A (kJ/mol) | 65.82 |
α | 0.3201 |
β | 0.3201 |
Tc (K) | 659. |
Reference | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
357.18 to 445.82 | 3.97939 | 1500.118 | -67.227 | 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.
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]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]
Svoboda, Charvátová, et al., 1981
Svoboda, Václav; Charvátová, Vladimíra; Majer, Vladimír; Pick, Jirí,
Determination of heats of vaporization and some other thermodynamic quantities for four alkylcycloparaffins,
Collect. Czech. Chem. Commun., 1981, 46, 12, 2983-2988, https://doi.org/10.1135/cccc19812983
. [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 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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