2-Methylhentriacontane
- Formula: C32H66
- Molecular weight: 450.8664
- IUPAC Standard InChI: InChI=1S/C32H66/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-31-32(2)3/h32H,4-31H2,1-3H3
- IUPAC Standard InChIKey: XRBHKBOAKDZICV-UHFFFAOYSA-N
- CAS Registry Number: 1720-12-3
- 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: Hentriacontane, 2-methyl-
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Phase change data
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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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 120.9 | 489. | Dykyj, Svoboda, et al., 1999 | Based on data from 474. to 735. K. |
Gas Chromatography
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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
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 3159.6 | 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 | 3165. | 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 | DB-1 | 3162. | Katritzky, Chen, et al., 2000 | 30. m/0.32 mm/0.25 μm; Tstart: 60. C; Tend: 320. C |
| Capillary | HP-1 | 3175. | 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 |
| Packed | OV-101 | 3160. | Nelson, de Renobales, et al., 1989 | Helium, Gas-Chrom Q (100-120 mesh), 3. K/min, 320. C @ 25. min; Column length: 3. m; Tstart: 150. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Polydimethyl siloxane | 3162. | Junkes, Castanho, et al., 2003 | 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]
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]
Katritzky, Chen, et al., 2000
Katritzky, A.R.; Chen, K.; Maran, U.; Carlson, D.A.,
QSPR Correlation and predictions of GC retention indexes for methyl-branched hydrocarbons produced by insects,
Anal. Chem., 2000, 72, 1, 101-109, https://doi.org/10.1021/ac990800w
. [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]
Nelson, de Renobales, et al., 1989
Nelson, D.R.; de Renobales, M.; Dwyer, L.A.; Zamboni, A.C.; Fatland, C.L.; Blomquist, G.J.,
Novel very long-chain methyl branched alcohols and their esters, and methyl branched alkanes in pupae of the gabbage looper, Trichoplusa ni (Hubner),
Insect Biochem., 1989, 19, 2, 197-208, https://doi.org/10.1016/0020-1790(89)90092-9
. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [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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