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:
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
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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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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

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, 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.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E., Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups, J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0 . [all data]

Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz., Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups, J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S . [all data]

Dutoit, 1991
Dutoit, J., Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases, J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X . [all data]

Valko, Papp, et al., 1984
Valko, K.; Papp, O.; Darvas, F., Selection of Gas Chromatographic Stationary Phase Pairs for Characterization of the 1-Octanol-Water Partition Coefficient, J. Chromatogr., 1984, 301, 355-364, https://doi.org/10.1016/S0021-9673(01)89210-4 . [all data]

Shatts, Avots, et al., 1977
Shatts, V.D.; Avots, A.A.; Belikov, V.A., Retention indices of alkylpyridines, Zh. Anal. Khim., 1977, 32, 4, 631-638. [all data]

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]

Bark and Wheatstone, 1974
Bark, L.S.; Wheatstone, K.C., Studies in the relationship between molecular structure and chromatographic behaviour. Gas chromatographic study of monoalkylpyridines, J. Chromatogr., 1974, 92, 2, 281-289, https://doi.org/10.1016/S0021-9673(00)85738-6 . [all data]

Takeoka, Perrino, et al., 1996
Takeoka, G.; Perrino, C., Jr.; Buttery, R., Volatile constituents of used frying oils, J. Agric. Food Chem., 1996, 44, 3, 654-660, https://doi.org/10.1021/jf950430m . [all data]

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]

Elmore, Mottram, et al., 2000
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]

Shimoda, Peralta, et al., 1996
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]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

Kubec, Drhová, et al., 1999
Kubec, R.; Drhová, V.; Velísek, J., Volatile compounds thermally generated from S-propylcysteine and S-propylcysteine sulfoxide - aroma precursors of Allium vegetables, J. Agric. Food Chem., 1999, 47, 3, 1132-1138, https://doi.org/10.1021/jf980974z . [all data]

Ishihara, Tsuneya, et al., 1992
Ishihara, M.; Tsuneya, T.; Shiga, M.; Kawashima, S.; Yamagishi, K.; Yoshida, F.; Sato, H.; Uneyama, K., New pyridine derivatives and basic components in spearmint oil (Mentha gentilis f. cardiaca) and peppermint oil (Mentha piperita), J. Agric. Food Chem., 1992, 40, 9, 1647-1655, https://doi.org/10.1021/jf00021a034 . [all data]

Lee, Macku, et al., 1991
Lee, S.-R.; Macku, C.; Shibamoto, T., Isolation and identification of headspace volatiles formed in heated butter, J. Agric. Food Chem., 1991, 39, 11, 1972-1975, https://doi.org/10.1021/jf00011a017 . [all data]

Macku and Shibamoto, 1991
Macku, C.; Shibamoto, T., Headspace volatile compounds formed from heated corn oil and corn oil with glycine, J. Agric. Food Chem., 1991, 39, 7, 1265-1269, https://doi.org/10.1021/jf00007a014 . [all data]

Kurashov, Mitrukova, et al., 2014
Kurashov, E.A.; Mitrukova, G.G.; Krylova, Yu.V., Variations in the component composition of essential oil of Ceratophyllum demersum (Ceratophyllaceae) during vegetation (in press), Plant Resources (Rastitel'nye Resursy), 2014, 1, 000-000. [all data]

Li, Gao, et al., 2000
Li, R.; Gao, S.-G.; Xiang, B.-R., Using improved BP neural network in predicting GC retention indices, Computers appl. chem. (Chinese), 2000, 17, 1-2, 113-114. [all data]

Fukami, Ishiyama, et al., 2002
Fukami, K.; Ishiyama, S.; Yaguramaki, H.; Masuzawa, T.; Nabeta, Y.; Endo, K.; Shimoda, M., Identification of distinctive volatile compounds in fish sauce, J. Agric. Food Chem., 2002, 50, 19, 5412-5416, https://doi.org/10.1021/jf020405y . [all data]

Horiuchi, Umano, et al., 1998
Horiuchi, M.; Umano, K.; Shibamoto, T., Analysis of volatile compounds formed from fish oil heated with cysteine and trimethylamine oxide, J. Agric. Food Chem., 1998, 46, 12, 5232-5237, https://doi.org/10.1021/jf980482m . [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]

Vernin, Metzger, et al., 1992
Vernin, G.; Metzger, J.; Boniface, C.; Murello, M.-H.; Siouffi, A.; Larice, J.-L.; Parkanyi, C., Kinetics and thermal degradation of the fructose-methionine Amadori intermediates. GC-MS/SPECMA data bank identification of volatile aroma compounds, Carbohyd. Res., 1992, 230, 1, 15-29, https://doi.org/10.1016/S0008-6215(00)90510-X . [all data]

Kim. J.H., Ahn, et al., 2004
Kim. J.H.; Ahn, H.J.; Yook, H.S.; Kim, K.S.; Rhee, M.S.; Ryu, G.H.; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. Chem., 2004, 69, 2, 179-187, https://doi.org/10.1016/S0969-806X(03)00400-6 . [all data]

Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G., Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting, Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331 . [all data]

Notes

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

• Symbols used in this document:
  

  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K

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