1H-Pyrrole-2-carboxaldehyde, 1-ethyl-
- Formula: C7H9NO
- Molecular weight: 123.1525
- IUPAC Standard InChIKey: DVLGEHCERRWDIX-UHFFFAOYSA-N
- CAS Registry Number: 2167-14-8
- 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: 1-Ethyl-1H-pyrrole-2-carboxaldehyde; 1-Ethyl-1H-pyrrole-2-carboxyaldehyde; 1-Ethyl-2-formyl-1H-pyrrole; 1-Ethyl-2-formylpyrrole; 1-Ethyl-2-pyrrolecarbaldehyde; 1-Ethylpyrrole-2-carbaldehyde; 1-Ethyl-1H-pyrrole-2-carbaldehyde
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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
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 1067. | 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 | PEG-20M | 1610. | Shimoda, Nakada, et al., 1997 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1610. | 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 | 1610. | 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 | 1610. | Shimoda, Shigematsu, et al., 1995, 2 | 60. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 50. C; Tend: 230. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 MS | 1039. | Zhu, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C (2.8 min) 5.5 0C/min -> 140 0C (1 min) 4.5 oC/min -> 220 0C -> 225 0C (2 min) 3.4 0C/min -> 265 0C (5 min) |
Capillary | DB-5 MS | 1046. | Zhu, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C (2.8 min) 5.5 0C/min -> 140 0C (1 min) 4.5 oC/min -> 220 0C -> 225 0C (2 min) 3.4 0C/min -> 265 0C (5 min) |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1566. | Kawakami, Ganguly, et al., 1995 | 60. C @ 4. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 180. C |
Capillary | PEG-20M | 1562. | Togari, Kobayashi, et al., 1995 | 50. m/0.25 mm/0.15 μm, He, 60. C @ 4. min, 2. K/min; Tend: 180. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1616. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
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.
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, Nakada, et al., 1997
Shimoda, M.; Nakada, Y.; Nakashima, M.; Osajima, Y.,
Quantitative comparison of volatile flavor compounds in deep-roasted and light-roasted sesame seed oil,
J. Agric. Food Chem., 1997, 45, 8, 3193-3196, https://doi.org/10.1021/jf970172o
. [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]
Shimoda, Shigematsu, et al., 1995, 2
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of volatile compounds among different grades of green tea and their relations to odor attributes,
J. Agric. Food Chem., 1995, 43, 6, 1621-1625, https://doi.org/10.1021/jf00054a038
. [all data]
Zhu, Li, et al., 2008
Zhu, M.; Li, E.; He, H.,
Determination of volatile chemical constitutes in tea by simultaneous distillation extraction, vacuum hydrodistillation and thermal desrption,
Chromatographia, 2008, 68, 7/8, 603-610, https://doi.org/10.1365/s10337-008-0732-1
. [all data]
Kawakami, Ganguly, et al., 1995
Kawakami, M.; Ganguly, S.N.; Banerjee, J.; Kobayashi, A.,
Aroma composition of oolong tea and black tea by brewed extraction method and characterizing compounds of Darjeeling tea aroma,
J. Agric. Food Chem., 1995, 43, 1, 200-207, https://doi.org/10.1021/jf00049a037
. [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]
Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A.,
Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection,
J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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