Pyridine, 2,4,6-trimethyl-
- Formula: C8H11N
- Molecular weight: 121.1796
- IUPAC Standard InChIKey: BWZVCCNYKMEVEX-UHFFFAOYSA-N
- CAS Registry Number: 108-75-8
- 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,γ,α'-Collidine; γ-Collidine; s-Collidine; 2,4,6-Collidine; 2,4,6-Trimethylpyridine; sym-Collidine; 2,4,6-Kollidin; gamma-Collidine; NSC 460
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.9 ± 0.1 | PE | Ramsey and Walker, 1974 | Vertical value |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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. | 986.6 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 986.6 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Packed | Apolane | 130. | 988. | Dutoit, 1991 | Column length: 3.7 m |
Capillary | SE-30 | 110. | 976. | Samusenko and Golovnya, 1988 | 25. m/0.32 mm/1. μm, He |
Capillary | SE-30 | 80. | 972. | Samusenko and Golovnya, 1988 | 25. m/0.32 mm/1. μm, He |
Capillary | OV-101 | 150. | 982. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Packed | SE-30 | 150. | 985. | Tiess, 1984 | Ar, Gas Chrom Q (80-100 mesh); Column length: 3. m |
Packed | Apiezon L | 130. | 1012. | Shatts, Avots, et al., 1977 | He, Chromosorb W AW-DMCS; Column length: 2.4 m |
Packed | PMS-100 | 130. | 996. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 150. | 980. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 180. | 976. | 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. | 1368. | Golovnya, Samusenko, et al., 1987 | He; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | PEG-40M | 80. | 1353. | Golovnya, Samusenko, et al., 1987 | He; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | PEG-20M | 150. | 1410. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Packed | PEG-2000 | 150. | 1405. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 152. | 1397. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 179. | 1405. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 180. | 1402. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 200. | 1398. | 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-101 | 976. | Golovnya, Samusenko, et al., 1988 | He, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 100. C |
Capillary | OV-101 | 977. | Golovnya, Samusenko, et al., 1988 | He, 8. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 70. C |
Capillary | OV-101 | 977. | Golovnya, Samusenko, et al., 1988 | He, 4. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 80. C |
Capillary | DB-5 | 993. | 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 | 987. | 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 | CP-Wax 52CB | 1355. | Alasalvar, Taylor, et al., 2005 | 60. m/0.25 mm/0.25 μm, 35. C @ 4. min, 3. K/min; Tend: 203. C |
Capillary | Supelcowax-10 | 1365. | Chung, 2000 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 195. C @ 90. min; Tstart: 35. C |
Capillary | Supelcowax-10 | 1365. | Chung, 1999 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min |
Capillary | Supelcowax-10 | 1365. | Chung, 1999, 2 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min |
Capillary | Supelcowax-10 | 1364. | Cadwallader, Tan, et al., 1995 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min |
Capillary | PEG-40M | 1372. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 2. K/min; Tstart: 100. C |
Capillary | PEG-40M | 1375. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 8. K/min; Tstart: 70. C |
Capillary | PEG-40M | 1371. | Golovnya, Samusenko, et al., 1988 | 25. m/0.32 mm/0.80 μm, He, 4. K/min; Tstart: 80. C |
Capillary | CAM | 1358. | 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 | CP-Wax 52CB | 1360. | Alasalvar, Shahidi, et al., 2003 | 60. m/0.25 mm/0.25 μm, He; Program: 40C => 5C/min => 60C => 2.5C/min => 155C |
Capillary | DB-Wax | 1378. | Pennarun, Prost, et al., 2003 | 30. m/0.32 mm/0.5 μm, He; Program: 50C => 6C/min => 70C => 4C/min => 150C => 10C/min => 250C |
Capillary | DB-Wax | 1378. | Pennarun, Prost, et al., 2002 | 30. m/0.32 mm/0.5 μm, He; Program: 50C => 6C/min => 70C => 4C/min => 150C => 10C/min => 250C |
Capillary | Supelcowax-10 | 1362. | Baek and Cadwallader, 1996 | 60. m/0.25 mm/0.25 μm; Program: 40C => (6C/min) => 80C(6min) => (15C/min) => 200C(10min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 996. | Lazarevic, Radulovic, et al., 2010 | 30. m/0.25 mm/0.25 μm, Helium, 5. K/min; Tstart: 70. C; Tend: 290. C |
Capillary | HP-5 | 999. | Radulovic, Dordevic, et al., 2010 | 30. m/0.25 mm/0.25 μm, Hydrogen, 5. K/min; Tstart: 70. C; Tend: 290. C |
Capillary | SE-30 | 976.5 | Bur'yan and Nabivach, 1992 | 1.7 K/min; Tstart: 82. C; Tend: 177. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1004. | Li, Gao, et al., 2000 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 158.66 | 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 phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ramsey and Walker, 1974
Ramsey, B.G.; Walker, F.A.,
A linear relationship between substituted pyridine lone pair vertical ionization potentials and pKa,
J. Am. Chem. Soc., 1974, 96, 3314. [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]
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]
Tiess, 1984
Tiess, D.,
Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30,
Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [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]
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]
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]
Alasalvar, Taylor, et al., 2005
Alasalvar, C.; Taylor, K.D.A.; Shahidi, F.,
Comparison of volatiles of cultured and wild sea bream (Sparus aurata) during storage in ice by dynamic headspace analysis/gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2005, 53, 7, 2616-2622, https://doi.org/10.1021/jf0483826
. [all data]
Chung, 2000
Chung, H.Y.,
Volatile flavor components in red fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 2000, 48, 5, 1803-1809, https://doi.org/10.1021/jf991272s
. [all data]
Chung, 1999
Chung, H.Y.,
Volatile components in crabmeats of Charybdis feriatus,
J. Agric. Food Chem., 1999, 47, 6, 2280-2287, https://doi.org/10.1021/jf981027t
. [all data]
Chung, 1999, 2
Chung, H.Y.,
Volatile components in fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 1999, 47, 7, 2690-2696, https://doi.org/10.1021/jf981166a
. [all data]
Cadwallader, Tan, et al., 1995
Cadwallader, K.R.; Tan, Q.; Chen, F.; Meyers, S.P.,
Evaluation of the aroma of cooked spiny lobster tail meat by aroma extract dilution analysis,
J. Agric. Food Chem., 1995, 43, 9, 2432-2437, https://doi.org/10.1021/jf00057a022
. [all data]
Alasalvar, Shahidi, et al., 2003
Alasalvar, C.; Shahidi, F.; Cadwallader, K.R.,
Comparison of natural and roasted Turkish Tombul hazelnut (Corylus avellana L.) volatiles and flavor by DHA/GC/MS and descriptive sensory analysis,
J. Agric. Food Chem., 2003, 51, 17, 5067-5072, https://doi.org/10.1021/jf0300846
. [all data]
Pennarun, Prost, et al., 2003
Pennarun, A.-L.; Prost, C.; Haure, J.; Demaimay, M.,
Comparison of two microalgal diets. 2. Influence on odorant composition and organoleptic qualities of raw oysters (Crassostrea gigas),
J. Agric. Food Chem., 2003, 51, 7, 2011-2018, https://doi.org/10.1021/jf020549c
. [all data]
Pennarun, Prost, et al., 2002
Pennarun, A.L.; Prost, C.; Demaimay, M.,
Identification and origin of the character-impact compounds of raw oyster Crassostrea gigas,
J. Sci. Food Agric., 2002, 82, 14, 1652-1660, https://doi.org/10.1002/jsfa.1236
. [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]
Lazarevic, Radulovic, et al., 2010
Lazarevic, J.; Radulovic, N.; Palic, R.; Zlatkovic, B.,
Chemical Analusis of volatile constituents of Berula erecta (Hudson) Coville subsp. erecta (Apiaceae) from Serbia,
J. Essential Oil. Res., 2010, 22, 3, 153-156, https://doi.org/10.1080/10412905.2010.9700290
. [all data]
Radulovic, Dordevic, et al., 2010
Radulovic, N.S.; Dordevic, N.D.; Palic, R.M.,
Volatiles of Pleurospermum austriacum (L.) Hoffm. (Apiaceae),
J. Serbian Chem. Soc., 2010, 75, 12, 1-11, https://doi.org/10.2298/JSC100323127R
. [all data]
Bur'yan and Nabivach, 1992
Bur'yan, P.; Nabivach, V.M.,
Investigation of composition of higher heterocnitrogen bases of brown coal tar,
Coke Chem. (Engl. Transl.), 1992, 5, 29-33. [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]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
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