4-Methyldocosane
- Formula: C23H48
- Molecular weight: 324.6272
- IUPAC Standard InChIKey: ATAWCABZIRDUSP-UHFFFAOYSA-N
- CAS Registry Number: 25117-30-0
- 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: Docosane, 4-methyl
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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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
18.2 | 508. | A | Stephenson and Malanowski, 1987 | Based on data from 493. to 643. K. See also Dykyj, Svoboda, et al., 1999 and Terres, Brinkmann, et al., 1959. |
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 | 190. | 2258. | Kusmierz, Malinski, et al., 1985 | Column length: 22. m; Column diameter: 0.3 mm |
Capillary | Apiezon L | 190. | 2254.3 | Kusmierz, Malinski, et al., 1985 | He; Column length: 20. m; Column diameter: 0.3 mm |
Capillary | SE-52 | 190. | 2257.2 | Kusmierz, Malinski, et al., 1985 | He; Column length: 40. m; Column diameter: 0.3 mm |
Capillary | Dexsil 300 | 210. | 2255. | Szafranek, Kusmierz, et al., 1982 | He; Column length: 30. m; Column diameter: 0.30 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 150. | 2256.9 | Kusmierz, Malinski, et al., 1985 | He; Column length: 30. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Cross-Linked Methylsilicone | 2260. | Khorasheh, Gray, et al., 1989 | 5. K/min; Tstart: 40. C; Tend: 300. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 2258. | Zaikin and Borisov, 2002 | He; Column length: 30. m; Column diameter: 0.25 mm; Program: 30C => 5K/min=120C => 10C/min => 270C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 2260.0 | Krkosova, Kubinec, et al., 2007 | 100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 2259. | Steiger, Peschke, et al., 2007 | Program: not specified |
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.
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]
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]
Terres, Brinkmann, et al., 1959
Terres, E.; Brinkmann, L.; Fischer, D.; Hüllstrung, D.; Loz, W.; Weisbrod, G.,
Brennst.-Chem., 1959, 40, 279. [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]
Szafranek, Kusmierz, et al., 1982
Szafranek, J.; Kusmierz, J.; Czerwiec, W.,
Gas chromatographic-mass spectrometric investigations of high-boiling crude oil alkane fractions,
J. Chromatogr., 1982, 245, 2, 219-228, https://doi.org/10.1016/S0021-9673(00)88591-X
. [all data]
Khorasheh, Gray, et al., 1989
Khorasheh, F.; Gray, M.R.; Selucky, M.L.,
Correlation for Kováts retention index of C9-C26 monoalkyl and polymethyl alkanes and alkenes,
J. Chromatogr., 1989, 481, 1-16, https://doi.org/10.1016/S0021-9673(01)96747-0
. [all data]
Zaikin and Borisov, 2002
Zaikin, V.G.; Borisov, R.S.,
Chromatographic-mass spectrometric analysis of Fishcer-Tropsch synthesis products,
J. Anal. Chem. USSR (Engl. Transl.), 2002, 57, 6, 544-551. [all data]
Krkosova, Kubinec, et al., 2007
Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L.,
Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel,
Petroleum Coal, 2007, 49, 3, 51-62. [all data]
Steiger, Peschke, et al., 2007
Steiger, S.; Peschke, K.; Francke, W.; Muller, J.K.,
The smell of parents: breeding status influences cuticular hydrocarbon pattern in the burying beetle Nicrophorus vespilloides,
Proc. Roy. Soc. B, 2007, 274, 1622, 2211-2220, https://doi.org/10.1098/rspb.2007.0656
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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