2-Pentene

• Formula: C₅H₁₀
• Molecular weight: 70.1329
• IUPAC Standard InChI: InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: QMMOXUPEWRXHJS-UHFFFAOYSA-N Copy
• 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
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• Stereoisomers:
  • 2-Pentene, (Z)-
  • 2-Pentene, (E)-
• 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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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

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

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

Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, polar column, temperature ramp

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, 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]

Norris and Reuter, 1927
Norris, J.F.; Reuter, R., The rearrangement of isopropylethylene to trimethylethylene and the pyrogenic decomposition of pentene-2 and trimethylethylene, J. Am. Chem. Soc., 1927, 49, 2624-40. [all data]

Van Risseghem, 1914
Van Risseghem, H., Beta-pentene and some of its derivatives, C. R. Hebd. Seances Acad. Sci., 1914, 158, 1694-8. [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

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• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Tboil	Boiling point
  Tfus	Fusion (melting) point

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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