1H-Pyrrole, 1-ethyl-
- Formula: C6H9N
- Molecular weight: 95.1424
- IUPAC Standard InChIKey: VPUAYOJTHRDUTK-UHFFFAOYSA-N
- CAS Registry Number: 617-92-5
- 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: Pyrrole, 1-ethyl-; N-Ethylpyrrole; 1-Ethylpyrrole; 1-ethyl-1H-pyrrole
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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 |
---|---|---|---|---|---|
Capillary | OV-101 | 110. | 803. | Golovnya, Kuz'menko, et al., 2000 | He; Phase thickness: 0.4 μm |
Packed | SE-30 | 110. | 811. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Packed | SE-30 | 90. | 796. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | PEG-20M | 110. | 1197. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Packed | PEG-20M | 90. | 1190. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 829. | Solina, Baumgartner, et al., 2005 | 25. m/0.2 mm/1. μm, He, 5. K/min, 280. C @ 5. min; Tstart: 40. C |
Capillary | SPB-5 | 815. | Pino, Marbot, et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
Capillary | BPX-5 | 827. | Bredie, Mottram, et al., 2002 | 50. m/0.32 mm/0.5 μm, 60. C @ 5. min, 4. K/min, 250. C @ 20. min |
Capillary | BPX-5 | 818. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.5 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Capillary | BPX-5 | 825. | Ames, Guy, et al., 2001, 2 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 821. | Bredie, Mottram, et al., 1998 | 50. m/0.32 mm/0.5 μm, He; Program: OC (5min) => 60C/min => 60C(5min) => 4C/min => 250C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1178. | Shimoda, Shiratsuchi, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1184. | Shimoda, Shigematsu, et al., 1995 | 60. m/0.25 mm/0.25 μm, 2. K/min; Tstart: 50. C; Tend: 230. C |
Capillary | DB-Wax | 1184. | Chung, Eiserich, et al., 1994 | He, 60. C @ 4. min, 3. K/min, 220. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | MDN-5 | 811. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
Capillary | MDN-5 | 810. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
Capillary | DB-5 | 820. | Macku and Shibamoto, 1991 | He, 40. C @ 5. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 160. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 MS | 828. | Luo and Agnew, 2001 | 30. m/0.25 mm/1.0 μm, Helium; Program: not specified |
Capillary | DB-1 | 790. | Kawai, Ishida, et al., 1991 | 60. m/0.25 mm/0.25 μm; Program: not specified |
Capillary | DB-1 | 790. | 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 | 1162. | Puvipirom and Chaisei, 2012 | 15. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C |
Capillary | TC-Wax | 1197. | Ishikawa, Ito, et al., 2004 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 8. min, 3. K/min; Tend: 230. C |
Capillary | HP-Wax | 1194. | Sanz, Maeztu, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Capillary | HP-Wax | 1194. | Maeztu, Sanz, et al., 2001 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Capillary | HP-Wax | 1194. | Sanz, Ansorena, et al., 2001 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Capillary | DB-Wax | 1168. | Horiuchi, Umano, et al., 1998 | 60. m/0.25 mm/1. μm, He, 3. K/min, 200. C @ 40. min; Tstart: 50. C |
Capillary | PEG-20M | 1157. | Togari, Kobayashi, et al., 1995 | 50. m/0.25 mm/0.15 μm, He, 60. C @ 4. min, 2. K/min; Tend: 180. C |
Capillary | DB-Wax | 1181. | 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 |
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.
Golovnya, Kuz'menko, et al., 2000
Golovnya, R.V.; Kuz'menko, T.E.; Krikunova, N.I.,
The influence of alkyl substituents on the chromatographic indicator of self-association of N-containing heterocyclic compounds,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 321-324, https://doi.org/10.1007/BF02494681
. [all data]
Tibor and Anna, 1971
Tibor, T.; Anna, B.,
Gázkromatográfiás retenció és a kémiai szerkezet, I.,
Magy. Kem. Foly., 1971, 77, 576-587. [all data]
Solina, Baumgartner, et al., 2005
Solina, M.; Baumgartner, P.; Johnson, R.L.; Whitfield, F.B.,
Volatile aroma components of soy protein isolate and acid-hydrolysed vegetable protein,
Food Chem., 2005, 90, 4, 861-873, https://doi.org/10.1016/j.foodchem.2004.06.005
. [all data]
Pino, Marbot, et al., 2004
Pino, J.A.; Marbot, R.; Vazquez, C.,
Volatile components of tamarind (Tamarindus indica L.) grown in Cuba,
J. Essent. Oil Res., 2004, 16, 4, 318-320, https://doi.org/10.1080/10412905.2004.9698731
. [all data]
Bredie, Mottram, et al., 2002
Bredie, W.L.P.; Mottram, D.S.; Guy, R.C.E.,
Effect of temperature and pH on the generation of flavor volatiles in extrusion cooking of wheat flour,
J. Agric. Food Chem., 2002, 50, 5, 1118-1125, https://doi.org/10.1021/jf0111662
. [all data]
Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J.,
Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking,
J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547
. [all data]
Ames, Guy, et al., 2001, 2
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]
Bredie, Mottram, et al., 1998
Bredie, W.L.P.; Mottram, D.S.; Guy, R.C.E.,
Aroma volatiles generated during extrusion cooking of maize flour,
J. Agric. Food Chem., 1998, 46, 4, 1479-1487, https://doi.org/10.1021/jf9708857
. [all data]
Shimoda, Shiratsuchi, et al., 1996
Shimoda, M.; Shiratsuchi, H.; Nakada, Y.; Wu, Y.; Osajima, Y.,
Identification and sensory characterization of volatile flavor compounds in sesame seed oil,
J. Agric. Food Chem., 1996, 44, 12, 3909-3912, https://doi.org/10.1021/jf960115f
. [all data]
Shimoda, Shigematsu, et al., 1995
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion,
J. Agric. Food Chem., 1995, 43, 6, 1616-1620, https://doi.org/10.1021/jf00054a037
. [all data]
Chung, Eiserich, et al., 1994
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T.,
Volatile compounds produced from peanut oil heated with different amounts of cysteine,
J. Agric. Food Chem., 1994, 42, 8, 1743-1746, https://doi.org/10.1021/jf00044a032
. [all data]
van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J.,
Identification and olfactometry of French fries flavour extracted at mouth conditions,
Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005
. [all data]
Macku and Shibamoto, 1991
Macku, C.; Shibamoto, T.,
Volatile sulfur-containing compounds generated from the thermal interaction of corn oil and cysteine,
J. Agric. Food Chem., 1991, 39, 11, 1987-1989, https://doi.org/10.1021/jf00011a021
. [all data]
Luo and Agnew, 2001
Luo, J.; Agnew, M.P.,
Gas characteristics before and after biofiltration treating odorous emissions from animal rendering processes,
Environ. Technol., 2001, 22, 9, 1091-1103, https://doi.org/10.1080/09593332208618220
. [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]
Puvipirom and Chaisei, 2012
Puvipirom, J.; Chaisei, S.,
Contribution of roasted grains and seeds in aroma of oleang (Thai coffee drink),
Int. Food Res. J., 2012, 19, 2, 583-588. [all data]
Ishikawa, Ito, et al., 2004
Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A.,
Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles,
Flavour Fragr. J., 2004, 19, 3, 183-187, https://doi.org/10.1002/ffj.1322
. [all data]
Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C.,
Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar,
J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110
. [all data]
Maeztu, Sanz, et al., 2001
Maeztu, L.; Sanz, C.; Andueza, S.; de Peña, M.P.; Bello, J.; Cid, C.,
Characterization of espresso coffee aroma by static headspace GC-MS and sensory flavor profile,
J. Agric. Food Chem., 2001, 49, 11, 5437-5444, https://doi.org/10.1021/jf0107959
. [all data]
Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C.,
Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee,
J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r
. [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]
Togari, Kobayashi, et al., 1995
Togari, N.; Kobayashi, A.; Aishima, T.,
Pattern recognition applied to gas chromatographic profiles of volatile components in three tea categories,
Food Res. Int., 1995, 28, 5, 495-502, https://doi.org/10.1016/0963-9969(95)00029-1
. [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]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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