Pyridine, 2-ethyl-

• Formula: C₇H₉N
• Molecular weight: 107.1531
• IUPAC Standard InChI: InChI=1S/C7H9N/c1-2-7-5-3-4-6-8-7/h3-6H,2H2,1H3 Copy

  
• IUPAC Standard InChIKey: NRGGMCIBEHEAIL-UHFFFAOYSA-N Copy
• CAS Registry Number: 100-71-0
• 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: α-Ethylpyridine; 2-Ethylpyridine
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

Gas phase ion energetics 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 evaluated by: Edward P. Hunter and Sharon G. Lias

View reactions leading to C₇H₉N⁺ (ion structure unspecified)

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, temperature ramp

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, 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.

Balandin, Klabunovsky, et al., 1960
Balandin, A.A.; Klabunovsky, E.I.; Oberemok-Yakubova, A.P.; Brusov, I.I., Thermochemical determination of the heat of combustion of 2-ethyl- and 2-vinylpyrydines, Izv. Akad. Nauk SSSR, Ser. Khim., 1960, 784-786. [all data]

Weast and Grasselli, 1989
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Kyte, Jeffery, et al., 1960
Kyte, C.T.; Jeffery, G.H.; Vogel, A.I., Physical Properties and Chem. Constitution XXVII. Pyridine Derivatives, J. Chem. Soc., 1960, 1960, 4454. [all data]

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Brown and Murphey, 1951
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Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz., A tailor-made C₈₇ hydrocarbon as a possible non-polar standard stationary phase for gas chromatography, J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2 . [all data]

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Takeoka, Perrino, et al., 1996
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Methven L., Tsoukka M., et al., 2007
Methven L.; Tsoukka M.; Oruna-Concha M.J.; Parker J.K.; Mottram D.S., Influence of sulfur amino acids on the volatile and nonvolatile components of cooked salmon (Salmo salar), J. Agric. Food Chem., 2007, 55, 4, 1427-1436, https://doi.org/10.1021/jf0625611 . [all data]

Lu, Zhao, et al., 2004
Lu, X.; Zhao, M.; Kong, H.; Cai, J.; Wu, J.; Wu, M.; Hua, R.; Liu, J.; Xu, G., Characterization of cigarette smoke condensates by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOFMS) Part 2: Basic fraction, J. Sep. Sci., 2004, 27, 1-2, 101-109, https://doi.org/10.1002/jssc.200301659 . [all data]

Elmore, Campo, et al., 2002
Elmore, J.S.; Campo, M.M.; Enser, M.; Mottram, D.S., Effect of lipid composition on meat-like model systems containing cysteine, ribose, and polyunsaturated fatty acids, J. Agric. Food Chem., 2002, 50, 5, 1126-1132, https://doi.org/10.1021/jf0108718 . [all data]

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems, J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Yu, Lin, et al., 1994
Yu, T.-H.; Lin, L.-Y.; Ho, C.-T., Volatile compounds of blanched, fried blanched, and baked blanched garlic slices, J. Agric. Food Chem., 1994, 42, 6, 1342-1347, https://doi.org/10.1021/jf00042a018 . [all data]

Premecz and Ford, 1987
Premecz, J.E.; Ford, M.E., Gas chromatographic separation of substituted pyridines, J. Chromatogr., 1987, 388, 23-35, https://doi.org/10.1016/S0021-9673(01)94463-2 . [all data]

Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603 . [all data]

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Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D., The effects of diet and breed on the volatile compounds of cooked lamb, Meat Sci., 2000, 55, 2, 149-159, https://doi.org/10.1016/S0309-1740(99)00137-0 . [all data]

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Shimoda, M.; Peralta, R.R.; Osajima, Y., Headspace gas analysis of fish sauce, J. Agric. Food Chem., 1996, 44, 11, 3601-3605, https://doi.org/10.1021/jf960345u . [all data]

Baek and Cadwallader, 1996
Baek, H.H.; Cadwallader, K.R., Volatile compounds in flavor concentrates produced from crayfish-processing byproducts with and without protease treatment, J. Agric. Food Chem., 1996, 44, 10, 3262-3267, https://doi.org/10.1021/jf960023q . [all data]

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Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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