2-Pentene
- Formula: C5H10
- Molecular weight: 70.1329
- IUPAC Standard InChI: InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3
- IUPAC Standard InChIKey: QMMOXUPEWRXHJS-UHFFFAOYSA-N
- CAS Registry Number: 109-68-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Stereoisomers:
- Other names: β-n-Amylene; s-Methylethylethylene; Methylethylethylene; 3-Pentene; CH3CH=CHC2H5; 2-Pentene,c&t; sym-Methylethylethylene; Pent-2-ene
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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 151.13 | 289.1 | Parks and Huffman, 1930 | T = 136 to 289 K. Value is unsmoothed experimental datum. |
| 195.8 | 298. | von Reis, 1881 | T = 290 to 322 K. |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry 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
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 503. | Cavalli, Fernandez, et al., 2004 | 50. m/0.2 mm/0.33 μm, N2, 2. K/min, 250. C @ 20. min; Tstart: 60. C |
| Capillary | OV-101 | 522. | Orav, Kailas, et al., 1999 | 50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; Tend: 100. C |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 522. | Ganeko, Shoda, et al., 2008 | 4. K/min; Column length: 60. m; Column diameter: 0.35 mm; Tstart: 40. C; Tend: 200. C |
| Capillary | Supelcowax-10 | 558. | Girard and Durance, 2000 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 10. min, 4. K/min; Tend: 200. C |
References
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Parks and Huffman, 1930
Parks, G.S.; Huffman, H.M.,
Thermal data on organic compounds. IX. A study of the effect of unsaturation on the heat capacities, entropies and free energies of some hydrocarbons and other compounds,
J. Am. Chem. Soc., 1930, 52, 4381-4391. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Cavalli, Fernandez, et al., 2004
Cavalli, J.-F.; Fernandez, X.; Lizzani-Cievelier, L.; Loiseau, A.-M.,
Characterization of volatile compounds of French and Spanish virgin olive oil by HS-SPME: identification of quality-freshness markers,
Food Chem., 2004, 88, 1, 151-157, https://doi.org/10.1016/j.foodchem.2004.04.003
. [all data]
Orav, Kailas, et al., 1999
Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J.,
Composition of the oil from waste tires. 1. Fraction boiling at yp to 160 0C,
Proc. Estonian Acad. Sci. Chem., 1999, 48, 1, 30-39. [all data]
Ganeko, Shoda, et al., 2008
Ganeko, N.; Shoda, M.; Hirohara, I.; Bhadra, A.; Ishida, T.; Matsuda, H.; Takamura, H.; Matoba, T.,
Analysis of volatile flavor compounds of sardine (Sardinops melanostica) by solid phase microextraction,
J. Food Sci., 2008, 73, 1, s83-s88, https://doi.org/10.1111/j.1750-3841.2007.00608.x
. [all data]
Girard and Durance, 2000
Girard, B.; Durance, T.,
Headspace volatiles of sockeye and pink salmon as affected by retort process,
Food Chem. Toxicol., 2000, 65, 1, 34-39. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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