Dodecylcyclohexane
- Formula: C18H36
- Molecular weight: 252.4784
- IUPAC Standard InChIKey: BLRBGKYYWDBAQQ-UHFFFAOYSA-N
- CAS Registry Number: 1795-17-1
- 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: n-Dodecyl cyclohexane; Cyclohexane, dodecyl-
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 588. | K | N/A | Schlenk, 1951 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 282.3 | K | N/A | Shakarashvili and Bekauri, 1966 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 285. | K | N/A | Schmidt, 1942 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 285.8 | K | N/A | Parks, Moore, et al., 1949 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 21.25 ± 0.23 | kcal/mol | C | Fuchs and Peacock, 1978 | ALS |
ΔvapH° | 21.2 ± 0.2 | kcal/mol | GCC | Fuchs and Peacock, 1978, 2 | AC |
ΔvapH° | 21.4 | kcal/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 22.33 ± 0.30 | kcal/mol | V | Parks and Moore, 1949 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.3 | 311. | A,ME | Stephenson and Malanowski, 1987 | Based on data from 299. to 324. K. See also Parks and Moore, 1949, 2.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.96 | 258.8 | Domalski and Hearing, 1996 | AC |
10.955 | 258.8 | Parks, Moore, et al., 1949, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.34 | 258.8 | Parks, Moore, et al., 1949, 2 | DH |
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.
Schlenk, 1951
Schlenk, W.,
Justus Liebigs Ann. Chem., 1951, 573, 142-62. [all data]
Shakarashvili and Bekauri, 1966
Shakarashvili, T.S.; Bekauri, N.G.,
Catalytic Conversion of C18 Alkylaromatic and Alkylnapthenic Hydrocarbons,
Soobshch. Akad. Nauk Gruz. SSR, 1966, 43, 1, 97. [all data]
Schmidt, 1942
Schmidt, A.W.,
Physical properties of aliphatic compounds,
Ber. Dtsch. Chem. Ges. B, 1942, 75, 1399. [all data]
Parks, Moore, et al., 1949
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A.,
Thermal Data on Organic Compounds. XXV. Some Heat Capacity, Entropy and Free Energy Data for Nine Hydrocarbons of High Molecular Weight,
J. Am. Chem. Soc., 1949, 71, 10, 3386, https://doi.org/10.1021/ja01178a034
. [all data]
Fuchs and Peacock, 1978
Fuchs, R.; Peacock, L.A.,
Heats of vaporization of monoalkylcyclohexanes by the gas chromatography-calorimetry method,
Can. J. Chem., 1978, 56, 2493-24. [all data]
Fuchs and Peacock, 1978, 2
Fuchs, Richard; Peacock, L. Alan,
Heats of vaporization of monoalkylcyclohexanes by the gas chromatography -- calorimetry method,
Can. J. Chem., 1978, 56, 19, 2493-2498, https://doi.org/10.1139/v78-408
. [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]
Parks and Moore, 1949
Parks, G.S.; Moore, G.E.,
Vapor pressure and other thermodynamic dta for n-hexadecane and n-dodecylcyclohexane near room temperature,
J. Chem. Phys., 1949, 17, 1151-11. [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]
Parks and Moore, 1949, 2
Parks, George S.; Moore, George E.,
Vapor Pressure and Other Thermodynamic Data for n-Hexadecane and n-Dodecylcyclohexane near Room Temperature,
J. Chem. Phys., 1949, 17, 11, 1151, https://doi.org/10.1063/1.1747130
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Parks, Moore, et al., 1949, 2
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A.,
Thermal data on organic compounds. XXV. Some heat capacity, entropy and free energy data for nine hydrocarbons of high molecular weight,
J. Am. Chem. Soc., 1949, 71, 3386-3389. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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