Pyridine, 2,4-dimethyl-
- Formula: C7H9N
- Molecular weight: 107.1531
- IUPAC Standard InChIKey: JYYNAJVZFGKDEQ-UHFFFAOYSA-N
- CAS Registry Number: 108-47-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 2,4-Lutidine; α,γ-Dimethylpyridine; 2,4-Dimethylpyridine; 2,4-Lutidene
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Gas Chromatography
Go To: Top, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | C78, Branched paraffin | 130. | 918.7 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 919.5 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Capillary | HP-1 | 60. | 911. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 60. | 912. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Packed | Apolane | 130. | 922. | Dutoit, 1991 | Column length: 3.7 m |
Capillary | SE-30 | 110. | 917. | Samusenko and Golovnya, 1988 | 25. m/0.32 mm/1. μm, He |
Capillary | SE-30 | 80. | 912. | Samusenko and Golovnya, 1988 | 25. m/0.32 mm/1. μm, He |
Capillary | OV-101 | 150. | 924. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Packed | Apiezon L | 130. | 945. | Shatts, Avots, et al., 1977 | He, Chromosorb W AW-DMCS; Column length: 2.4 m |
Packed | Apolane | 70. | 903.4 | Riedo, Fritz, et al., 1976 | He, Chromosorb; Column length: 2.4 m |
Packed | Apiezon L | 100. | 932. | Zhuravleva, Kapustin, et al., 1976 | N2 or He, Chromosorb G, AW; Column length: 2.7 m |
Packed | PMS-100 | 130. | 928. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 150. | 918. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 180. | 916. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-40M | 110. | 1340. | Golovnya, Samusenko, et al., 1987 | He; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | PEG-40M | 80. | 1322. | Golovnya, Samusenko, et al., 1987 | He; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | PEG-20M | 150. | 1387. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Packed | PEG-2000 | 150. | 1383. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 152. | 1378. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 180. | 1382. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 200. | 1382. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 903.9 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Capillary | OV-101 | 917. | Golovnya, Samusenko, et al., 1988 | He, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 100. C |
Capillary | OV-101 | 916. | Golovnya, Samusenko, et al., 1988 | He, 8. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 70. C |
Capillary | OV-101 | 916. | Golovnya, Samusenko, et al., 1988 | He, 4. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 80. C |
Capillary | DB-5 | 932. | Premecz and Ford, 1987 | He, 60. C @ 10. min, 10. K/min, 280. C @ 3. min; Column length: 30. m; Column diameter: 0.32 mm |
Capillary | DB-5 | 925. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PEG-40M | 1342. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 2. K/min; Tstart: 100. C |
Capillary | PEG-40M | 1345. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 8. K/min; Tstart: 70. C |
Capillary | PEG-40M | 1339. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 4. K/min; Tstart: 80. C |
Capillary | CAM | 1325. | Premecz and Ford, 1987 | He, 60. C @ 5. min, 5. K/min, 240. C @ 21. min; Column length: 15. m; Column diameter: 0.24 mm |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1334. | Baltes and Bochmann, 1987 | Column length: 50. m; Column diameter: 0.3 mm; Program: not specified |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 930. | Radulovic, Dordevic, et al., 2010 | 30. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C |
Capillary | HP-5 | 941.3 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Capillary | HP-5 | 945. | Kubec, Drhová, et al., 1999 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 3. min, 4. K/min, 240. C @ 10. min |
Capillary | HP-5 | 932. | Kubec, Drhová, et al., 1998 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 3. min, 4. K/min, 240. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 933. | Li, Gao, et al., 2000 | Program: not specified |
Capillary | Methyl Silicone | 920. | Zenkevich, 1999 | Program: not specified |
Capillary | DB-1 | 908. | Kawai, Ishida, et al., 1991 | 60. m/0.25 mm/0.25 μm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 1317. | Kubec, Drhová, et al., 1999 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 3. min, 4. K/min, 190. C @ 10. min |
Capillary | HP-Innowax | 1324. | Kubec, Drhová, et al., 1998 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 3. min, 4. K/min, 190. C @ 10. min |
Capillary | DB-Wax | 1338. | Umano, Hagi, et al., 1995 | He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax | 1333. | Baltes and Bochmann, 1987, 2 | Program: not specified |
Capillary | Carbowax | 1334. | Baltes and Bochmann, 1987, 2 | Program: not specified |
Capillary | Carbowax | 1334. | Baltes and Bochmann, 1987, 2 | Program: not specified |
Capillary | Carbowax | 1336. | Baltes and Bochmann, 1987, 2 | Program: not specified |
Capillary | Carbowax | 1336. | Baltes and Bochmann, 1987, 2 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 145.96 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
References
Go To: Top, 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]
Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J.,
Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions,
Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894
. [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]
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]
Zhuravleva, Kapustin, et al., 1976
Zhuravleva, I.L.; Kapustin, Yu.P.; Golovnya, P.B.,
Retention indices of some isoaliphatic and heterocyclic nitrogenous bases,
Zh. Anal. Khim., 1976, 31, 1378-1380. [all data]
Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L.,
Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases,
Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [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]
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]
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]
Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G.,
Model reactions on roast aroma formation. 1. Reaction of serine and threonine with sucrose under the conditions of coffee roasting and identification of new coffee aroma compounds,
J. Agric. Food Chem., 1987, 35, 3, 340-346, https://doi.org/10.1021/jf00075a015
. [all data]
Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R.,
Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae),
Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962
. [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]
Kubec, Drhová, et al., 1998
Kubec, R.; Drhová, V.; Velísek, J.,
Thermal degradation of S-methylcysteine and its sulfoxide-important flavor precursors of Bassica and Allium vegetables,
J. Agric. Food Chem., 1998, 46, 10, 4334-4340, https://doi.org/10.1021/jf980379x
. [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]
Zenkevich, 1999
Zenkevich, I.G.,
Precalculation of Gas Chromatographic Retention Indices of Organic Compounds from Boiling Points of their Structural Analogues,
Zh. Struct. Khim., 1999, 40, 1, 121-130. [all data]
Kawai, Ishida, et al., 1991
Kawai, T.; Ishida, Y.; Kakiuchi, H.; Ikeda, N.; Higashida, T.; Nakamura, S.,
Flavor components of dried squid,
J. Agric. Food Chem., 1991, 39, 4, 770-777, https://doi.org/10.1021/jf00004a031
. [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]
Baltes and Bochmann, 1987, 2
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, Gas Chromatography, References
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