Pyridine, 3,4-dimethyl-

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

  
• IUPAC Standard InChIKey: NURQLCJSMXZBPC-UHFFFAOYSA-N Copy
• CAS Registry Number: 583-58-4
• 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: 3,4-Lutidine; 3,4-Dimethylpyridine; 3,4-Lutidene
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • UV/Visible spectrum
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IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-450 CM^-1) $$ STRUCTURE VERIFIED BY SOLUTION SPECTRUM FROM ROY WARD, BRITISH PETROLEUM CHEMICALS INTERNATIONAL, LTD.; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution
• SOLUTION (10% CCl4 FOR 5000-1330, 10% CS2 FOR 1330-625 CM^-1) $$ SALT ADDED TO BOTH SOLUTIONS; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• VAPOR (0.5 MICROLITER AT 150 C); NICOLET FTIR; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 CM^-1 cm^-1 resolution

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, 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, polar column, temperature ramp

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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, custom temperature program

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

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References

Go To: Top, 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.

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]

Samusenko and Golovnya, 1988
Samusenko, A.L.; Golovnya, R.V., Prediction of the retention indices of methyl pyridines and pyrazines in capillary gas chromatography based on the non-linear additivity of the sorption energy, Chromatographia, 1988, 25, 6, 531-535, https://doi.org/10.1007/BF02324828 . [all data]

Morishita, Morimoto, et al., 1986
Morishita, F.; Morimoto, S.; Kojima, T., Prediction of molecular structures of aza-arenes by retention indices and fluorescence spectra, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 11, 688-692, https://doi.org/10.1002/jhrc.1240091120 . [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]

Golovnya, Samusenko, et al., 1987
Golovnya, R.V.; Samusenko, A.L.; Dmitriev, L.B., Predicting retention indices of methyl-substituted pyridines in gas capillary chromatogrpahy on the basis of the principle of the nonadditive change in the energy of sorption, Izv. Akad. Nauk SSSR Ser. Khim., 1987, 10, 2234-2239. [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]

Golovnya, Samusenko, et al., 1988
Golovnya, R.V.; Samusenko, A.L.; Lyapin, V.A., Prediction of linear temperature programmed retention indices of methylpyridines in capillary gas chromatography, Zh. Anal. Khim., 1988, 63, 2, 311-317. [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]

Kim, 2001
Kim, J.S., Einfluss der Temperatur beim Rösten von Sesam auf Aroma und antioxidative Eigenschaften des Öls, PhD Thesis, Technischen Universität Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151. [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]

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]

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

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