Pyridine
- Formula: C5H5N
- Molecular weight: 79.0999
- IUPAC Standard InChIKey: JUJWROOIHBZHMG-UHFFFAOYSA-N
- CAS Registry Number: 110-86-1
- 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. - Isotopologues:
- Other names: Azabenzene; Azine; NCI-C55301; Piridina; Pirydyna; Pyridin; Rcra waste number U196; UN 1282; Pyr; CP 32; NSC 406123
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Kovats' RI, polar column, isothermal
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
Column type | Capillary | Capillary | Capillary | Capillary | Packed |
---|---|---|---|---|---|
Active phase | PEG-40M | Supelcowax-10 | PEG-40M | PEG-40M | Carbowax 20M |
Column length (m) | 50. | 30. | 50. | 50. | 3.5 |
Carrier gas | He | He | He | He | N2 |
Substrate | Chromosorb W-AW | ||||
Column diameter (mm) | 0.3 | 0.32 | 0.3 | 0.3 | |
Phase thickness (μm) | 0.4 | 0.25 | |||
Temperature (C) | 150. | 60. | 110. | 80. | 80. |
I | 1195. | 1187. | 1195. | 1180. | 1177. |
Reference | Terenina, Zhuravieva, et al., 1997 | Castello, Vezzani, et al., 1994 | Golovnya, Samusenko, et al., 1987 | Golovnya, Samusenko, et al., 1987 | Kersten and Poole, 1987 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | PEG-20M | PEG-20M | Carbowax 20M | Carbowax 20M | Carbowax 20M |
Column length (m) | 1. | 2. | 2. | 2. | 2. |
Carrier gas | N2 | N2 | N2 | N2 | |
Substrate | Chromaton N AW HMDS | Kieselgur (60-100 mesh) | Chromosorb W AW-DCMS | Chromosorb W AW-DCMS | |
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Temperature (C) | 120. | 120. | 75. | 100. | 110. |
I | 1180. | 1216. | 1224. | 1190. | 1193. |
Reference | Betts, 1986 | Stolyarov and Kartsova, 1984 | Goebel, 1982 | Bark and Wheatstone, 1974 | Bark and Wheatstone, 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Packed |
---|---|---|---|---|
Active phase | Carbowax 20M | PEG-2000 | PEG-2000 | PEG-2000 |
Column length (m) | 2. | 3. | 3. | 3. |
Carrier gas | N2 | He | He | He |
Substrate | Chromosorb W AW-DCMS | Celite 545 (44-60 mesh) | Celite 545 (44-60 mesh) | Celite 545 (44-60 mesh) |
Column diameter (mm) | ||||
Phase thickness (μm) | ||||
Temperature (C) | 90. | 150. | 152. | 180. |
I | 1185. | 1233. | 1227. | 1233. |
Reference | Bark and Wheatstone, 1974 | Anderson, Jurel, et al., 1973 | Anderson, Jurel, et al., 1973 | Anderson, Jurel, et al., 1973 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' RI, polar column, isothermal, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Terenina, Zhuravieva, et al., 1997
Terenina, M.B.; Zhuravieva, I.L.; Golovnya, R.V.,
Peculiar features of sorption of positional isomers of formyl-, acetyl-, and aminopyridines in capillary gas-liquid chromatography,
Russ. Chem. Bull. (Engl. Transl.), 1997, 46, 1, 86-89, https://doi.org/10.1007/BF02495353
. [all data]
Castello, Vezzani, et al., 1994
Castello, G.; Vezzani, S.; Moretti, P.,
The selectivity and polarity of carbon layer open tubular capillary columns modified with a polar liquid phase,
J. Hi. Res. Chromatogr., 1994, 17, 1, 31-36, https://doi.org/10.1002/jhrc.1240170108
. [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]
Kersten and Poole, 1987
Kersten, B.R.; Poole, C.F.,
Influence of concurrent retention mechanisms on the determination of stationary phase selectivity in gas chromatography,
J. Chromatogr., 1987, 399, 1-31, https://doi.org/10.1016/S0021-9673(00)96108-9
. [all data]
Betts, 1986
Betts, T.J.,
Triangular Characterization of Gas Chromatographic Stationary Phases,
J. Chromatogr., 1986, 354, 1-6, https://doi.org/10.1016/S0021-9673(01)87005-9
. [all data]
Stolyarov and Kartsova, 1984
Stolyarov, B.V.; Kartsova, L.A.,
Comparative experimental estimation of polarity and selectivity of stationary phases in gas chromatography by means of Forschneider-McReynolds constants and on the basis of thermodynamic characteristics,
Zh. Anal. Khim., 1984, 39, 5, 883-889. [all data]
Goebel, 1982
Goebel, K.-J.,
Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe,
J. Chromatogr., 1982, 235, 1, 119-127, https://doi.org/10.1016/S0021-9673(00)95793-5
. [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]
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]
Notes
Go To: Top, Kovats' RI, polar column, isothermal, References
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