Octadecane
- Formula: C18H38
- Molecular weight: 254.4943
- IUPAC Standard InChIKey: RZJRJXONCZWCBN-UHFFFAOYSA-N
- CAS Registry Number: 593-45-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: n-Octadecane; Octadecan
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
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 by: William E. Acree, Jr., James S. Chickos
ΔvapH° (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
21.7 ± 0.24 | CGC | Chickos, Webb, et al., 2002 | AC |
21.8 ± 0.69 | GS | Puri, Chickos, et al., 2001 | AC |
21.8 ± 0.31 | CGC | Nichols, Orf, et al., 2000 | AC |
21.9 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 363. to 413. K.; AC |
21.9 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 423. to 473. K.; AC |
22.2 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 453. to 503. K.; AC |
21.8 | N/A | Ruzicka and Majer, 1994 | AC |
21.7 | N/A | Reid, 1972 | AC |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chickos, Webb, et al., 2002
Chickos, James S.; Webb, Paul; Nichols, Gary; Kiyobayashi, Tetsu; Cheng, Pei-Chao; Scott, Lawrence,
The enthalpy of vaporization and sublimation of corannulene, coronene, and perylene at T= 298.15 K,
The Journal of Chemical Thermodynamics, 2002, 34, 8, 1195-1206, https://doi.org/10.1006/jcht.2002.0977
. [all data]
Puri, Chickos, et al., 2001
Puri, Swati; Chickos, James S.; Welsh, William J.,
Determination of Vaporization Enthalpies of Polychlorinated Biphenyls by Correlation Gas Chromatography,
Anal. Chem., 2001, 73, 7, 1480-1484, https://doi.org/10.1021/ac001246p
. [all data]
Nichols, Orf, et al., 2000
Nichols, Gary; Orf, Jennifer; Reiter, Sarah M.; Chickos, James; Gokel, George W.,
The vaporization enthalpies of some crown and polyethers by correlation gas chromatography,
Thermochimica Acta, 2000, 346, 1-2, 15-28, https://doi.org/10.1016/S0040-6031(99)00405-0
. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Ruzicka and Majer, 1994
Ruzicka, Kvetoslav; Majer, Vladimir,
Simultaneous Treatment of Vapor Pressures and Related Thermal Data Between the Triple and Normal Boiling Temperatures for n-Alkanes C5--C20,
J. Phys. Chem. Ref. Data, 1994, 23, 1, 1, https://doi.org/10.1063/1.555942
. [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]
Notes
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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