Octacosane, 2-methyl-
- Formula: C29H60
- Molecular weight: 408.7867
- IUPAC Standard InChIKey: YGCGPCUUTAKOEU-UHFFFAOYSA-N
- CAS Registry Number: 1560-98-1
- 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: 2-Methyloctacosane
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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 (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
114.2 | 470. | Dykyj, Svoboda, et al., 1999 | Based on data from 455. to 709. K. |
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 5 % Phenyl methyl siloxane | 2864. | Zaikin, 2010 | 30. m/0.25 mm/0.25 μm, 15. K/min, 270. C @ 15. min; Tstart: 60. C |
Capillary | DB-5MS | 2858. | Steiner, Steidle, et al., 2005 | 30. m/0.32 mm/0.25 μm, He, 2. K/min; Tstart: 150. C; Tend: 300. C |
Capillary | Ultra-1 | 2862. | Nelson, Adams, et al., 2003 | 150. C @ 4. min, 4. K/min, 320. C @ 30. min; Column length: 12. m; Column diameter: 0.2 mm |
Capillary | DB-5MS | 2857. | Steinmetz, Schmolz, et al., 2003 | 30. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 150. C; Tend: 280. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 2860.6 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Capillary | DB-1 | 2865. | Sutton and Carlson, 1993 | He; Column length: 30. m; Column diameter: 0.25 mm; Program: 60C => 20C/min => 230C => 5C/min => 330C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 2865.7 | Krkosova, Kubinec, et al., 2007 | 100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C |
Capillary | Ultra-1 | 2864. | Nelson and Charlet, 2003 | He, 4. K/min; Column length: 12.5 m; Column diameter: 0.2 mm; Tstart: 150. C; Tend: 320. C |
Capillary | OV-1 | 2864.2 | Szafranek, Malinski, et al., 1994 | Ar, 2. K/min; Column length: 40. m; Tstart: 200. C; Tend: 310. C |
Capillary | HP-1 | 2860. | Haverty, Page, et al., 1991 | Helium, 3. K/min, 320. C @ 20. min; Column length: 30. m; Column diameter: 0.20 mm; Tstart: 150. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 2864. | Lapointe, Hunter, et al., 2004 | 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.
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]
Zaikin, 2010
Zaikin, V.G.,
Personal communication: Retention indices measured during 2010, 2010. [all data]
Steiner, Steidle, et al., 2005
Steiner, S.; Steidle, J.L.M.; Ruther, J.,
Female sex pheromone in immature insect males - a case of pre-emergence chemical mimicry?,
Behavioral Ecology and Sociobiology, 2005, 58, 2, 111-120, https://doi.org/10.1007/s00265-005-0930-x
. [all data]
Nelson, Adams, et al., 2003
Nelson, D.R.; Adams, T.S.; Fatland, C.L.,
Hydrocarbons in the surface wax of eggs and adults of the Colorado potato beetle, Leptinotarsa decemlineata,
Comp. Biochem. Physiol. B: Comp. Biochem., 2003, 134, 3, 447-466, https://doi.org/10.1016/S1096-4959(02)00262-2
. [all data]
Steinmetz, Schmolz, et al., 2003
Steinmetz, I.; Schmolz, E.; Ruther, J.,
Cuticular lipids as trail pheromone in a social wasp,
Proc. R. Soc. London B:, 2003, 270, 1513, 385-391, https://doi.org/10.1098/rspb.2002.2256
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Sutton and Carlson, 1993
Sutton, B.D.; Carlson, D.A.,
Interspecific variation in tephritid fruit fly larvae surface hydrocarbons,
Arch. Insect Biochem. Physiol., 1993, 23, 2, 53-65, https://doi.org/10.1002/arch.940230202
. [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]
Nelson and Charlet, 2003
Nelson, D.R.; Charlet, L.D.,
Cuticular hydrocarbons of the sunflower beetle,Zygogramma exclamationis,
Comp. Biochem. Physiol. B: Comp. Biochem., 2003, 135, 2, 273-284, https://doi.org/10.1016/S1096-4959(03)00080-0
. [all data]
Szafranek, Malinski, et al., 1994
Szafranek, J.; Malinski, E.; Dubis, E.; Hebanowska, E.; Nawrot, J.; Oksman, P.; Pihlaja, K.,
Identification of branched alkanes in lipids of Leptinotarsa decemlineata say and Tribolium destructor by GC-MS: a comparison of main-beam and link-scanned spectra,
J. Chem. Ecol., 1994, 20, 9, 2197-2212, https://doi.org/10.1007/BF02033197
. [all data]
Haverty, Page, et al., 1991
Haverty, M.I.; Page, M.; Thorne, B.L.; Escoubas, P.,
Cuticular hydrocarbons: species and population-level discrimination in termites, USDA Forest Service Gen. Tech. Report PSW-128, The Forest Service, U.S.Department of Agriculture, 1991, 52. [all data]
Lapointe, Hunter, et al., 2004
Lapointe, S.L.; Hunter, W.B.; Alessandro, R.T.,
Cuticular hydrocarbons on elytra of the Diaprepes root weevil Diaprepes abbreviatus (L.) (Coleoptera: Curculionidae),
Agric. For. Entomol., 2004, 6, 4, 251-257, https://doi.org/10.1111/j.1461-9555.2004.00230.x
. [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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