Cyclohexane, octadecyl-
- Formula: C24H48
- Molecular weight: 336.6379
- IUPAC Standard InChI: InChI=1S/C24H48/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-18-21-24-22-19-17-20-23-24/h24H,2-23H2,1H3
- IUPAC Standard InChIKey: MWWVNZNVTGBKQO-UHFFFAOYSA-N
- CAS Registry Number: 4445-06-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: n-Octadecyl-cyclohexane; Octadecylcyclohexane
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Phase change data
Go To: Top, Gas Chromatography, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 314.8 | K | N/A | Boelhouwer, Nederbragt, et al., 1950 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Tfus | 314.7 | K | N/A | Mazee, 1948 | Uncertainty assigned by TRC = 0.1 K; TRC |
| Tfus | 314.15 | K | N/A | Hetling and Shchekin, 1943 | Uncertainty assigned by TRC = 2. K; TRC |
| Tfus | 316.4 | K | N/A | Larsen, Thorpe, et al., 1942 | Uncertainty assigned by TRC = 2. K; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 23.97 | 437. | Dykyj, Svoboda, et al., 1999 | Based on data from 422. to 675. K.; AC |
Gas Chromatography
Go To: Top, Phase change data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 210. | 2473. | Kusmierz, Malinski, et al., 1985 | Column length: 22. m; Column diameter: 0.3 mm |
| Capillary | Apiezon L | 190. | 2486.7 | Kusmierz, Malinski, et al., 1985 | He; Column length: 20. m; Column diameter: 0.3 mm |
| Capillary | SE-52 | 210. | 2481.1 | Kusmierz, Malinski, et al., 1985 | He; Column length: 40. m; Column diameter: 0.3 mm |
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 2486. | Kenig, Simons, et al., 2005 | 30. m/0.25 mm/0.25 μm, He; Program: 60C(1.5min) => 20C/min => 130C => 4C/min => 315C (90min) |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Carbowax 20M | 170. | 2502.4 | Kusmierz, Malinski, et al., 1985 | He; Column length: 30. m; Column diameter: 0.25 mm |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Boelhouwer, Nederbragt, et al., 1950
Boelhouwer, J.W.M.; Nederbragt, G.W.; Verberg, G.W.,
Viscosity data of organic liquids,
Appl. Sci. Res., Sect. A, 1950, 2, 249. [all data]
Mazee, 1948
Mazee, W.M.,
Some properties of hydrocarbons having more than twenty carbon atoms,
Recl. Trav. Chim. Pays-Bas, 1948, 67, 197-213. [all data]
Hetling and Shchekin, 1943
Hetling, V.A.; Shchekin, V.V.,
Preparation of Certain High Molecular Hydrocarbons,
Zh. Obshch. Khim., 1943, 13, 717. [all data]
Larsen, Thorpe, et al., 1942
Larsen, R.G.; Thorpe, R.E.; Armfield, F.A.,
Oxidation Characteristics of Pure Hydrocarbons,
Ind. Eng. Chem., 1942, 34, 183. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Kusmierz, Malinski, et al., 1985
Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J.,
Kováts retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes,
J. Chromatogr., 1985, 331, 219-228, https://doi.org/10.1016/0021-9673(85)80027-3
. [all data]
Kenig, Simons, et al., 2005
Kenig, F.; Simons, D.-J.H.; Crich, D.; Cowen, J.P.; Ventura, G.T.; Rehbein-Khalily, T.,
Structure and distribution of branched aliphatic alkanes with quaternary carbon atoms in Cenomanian and Turonian black shales of Pasquia Hills (Saskatchewan, Canada),
Org. Geochem., 2005, 36, 1, 117-138, https://doi.org/10.1016/j.orggeochem.2004.06.014
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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