5-Methyldocosane
- Formula: C23H48
- Molecular weight: 324.6272
- IUPAC Standard InChI: InChI=1S/C23H48/c1-4-6-8-9-10-11-12-13-14-15-16-17-18-19-20-22-23(3)21-7-5-2/h23H,4-22H2,1-3H3
- IUPAC Standard InChIKey: KDLUJNFDZQOZLK-UHFFFAOYSA-N
- CAS Registry Number: 25163-52-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Docosane, 5-methyl
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Phase change data
Go To: Top, Mass spectrum (electron ionization), 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 (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 75.6 | 507. | A | Stephenson and Malanowski, 1987 | Based on data from 492. to 644. K. See also Dykyj, Svoboda, et al., 1999 and Terres, Brinkmann, et al., 1959. |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | J. Klune, Insect Chem. Ecol. Lab., USDA, Beltsville, MD 20705 |
| NIST MS number | 131168 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Cross-Linked Methylsilicone | 2252. | 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 | 2252. | 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 | 2253.0 | Krkosova, Kubinec, et al., 2007 | 100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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]
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]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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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