1H-Pyrrole-2-carboxaldehyde, 1-methyl-
- Formula: C6H7NO
- Molecular weight: 109.1259
- IUPAC Standard InChIKey: OUKQTRFCDKSEPL-UHFFFAOYSA-N
- CAS Registry Number: 1192-58-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 2-Formyl-1-methylpyrrole; N-Methyl-2-formylpyrrole; 1-Methyl-2-formylpyrrole; N-Methylpyrrole-2-carboxaldehyde; 1-Methyl-1H-pyrrole-2-carboxaldehyde; 1-Methylpyrrole-2-carboxaldehyde; Pyrrole-2-carboxaldehyde, 1-methyl-; N-Methylpyrrole-2-carbaldehyde; 1-Methyl-1H-pyrrole-2-carbaldehyde; 1-Methyl-2-pyrrolaldehyde; 1-Methyl-2-pyrrolecarboxaldehyde; 1-Methylpyrrole-2-carbaldehyde; 1-Methylpyrrole-2-carboxyaldehyde; N-Methylpyrrole-2-carboxy aldehyde; NSC 72386; 1-methylformylpyrrole
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Phase change data
Go To: Top, Mass spectrum (electron ionization), 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: Robert L. Brown and Stephen E. Stein
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference |
---|---|---|
361.7 | 0.029 | Weast and Grasselli, 1989 |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-IW-1183 |
NIST MS number | 238496 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1637. | Shimoda and Shibamoto, 1990 | He, 40. C @ 6. min, 3. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 190. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 1022. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Capillary | BPX-5 | 1022. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Capillary | DB-1 | 970. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
Capillary | HP-1 | 964. | Oh, Hartman, et al., 1992 | 50. m/0.32 mm/1.05 μm, He, 2. K/min, 260. C @ 10. min; Tstart: 40. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-5 | 991. | Lu, Hao, et al., 2005 | 30. m/0.25 mm/0.25 μm, He; Program: 50C(1min) => 3C/min => 209C => 20C/min => 280C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1626. | Lopez-Galilea I., Fournier N., et al., 2006 | 30. m/0.32 mm/0.5 μm, He, 5. K/min, 240. C @ 10. min; Tstart: 40. C |
Capillary | DB-Wax | 1610. | Kim, 2001 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min |
Capillary | DB-Wax | 1620. | Shiratsuchi, Shimoda, et al., 1994 | 60. m/0.25 mm/0.25 μm, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1620. | Shiratsuchi, Shimoda, et al., 1994, 2 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | CP-WAX 57CB | 1618. | Salter L.J., Mottram D.S., et al., 1988 | 60. C @ 5. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SLB-5MS | 1020. | Risticevic, Carasek, et al., 2008 | 10. m/0.18 mm/0.18 μm, Helium, 40. C @ 1.5 min, 10. K/min; Tend: 295. C |
Capillary | HP-5 | 1010.0 | 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 | DB-1 | 970. | Buttery, Ling, et al., 1997 | 30. C @ 25. min, 4. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1010. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1015. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | DB-5 MS | 1016. | Cajka, Hajslova, et al., 2007 | 30. m/0.25 mm/0.25 μm, Helium; Program: 45 0C (0.75 min) 10 0C/min -> 200 0C 30 0C/min -> 245 0C (1.25 min) |
Capillary | SE-30 | 986. | Vinogradov, 2004 | Program: not specified |
Capillary | RSL-150 | 975. | Buchbauer, Nikiforov, et al., 1994 | 60. m/0.32 mm/0.25 μm, He; Program: 30c (1.5min) => 20C/min => 55C => 6C/min => 200C(10min) |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 1606. | Puvipirom and Chaisei, 2012 | 15. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C |
Capillary | HP-Innowax | 1615. | Puvipirom and Chaisei, 2012 | 15. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C |
Capillary | DB-Wax | 1651. | Moon and Shibamoto, 2009 | 60. m/0.25 mm/0.50 μm, Helium, 40. C @ 5. min, 2. K/min, 210. C @ 70. min |
Capillary | TC-Wax | 1632. | 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 | 1661. | 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 | 1661. | 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 | 1661. | 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 | Carbowax 20M | 1583. | Kawakami and Kobayashi, 1991 | He, 60. C @ 4. min, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tend: 180. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1626. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | DB-Wax | 1632. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | DB-Wax | 1607. | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C |
Capillary | DB-Wax | 1661. | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: not specified |
Capillary | Carbowax 20M | 1616. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Shimoda and Shibamoto, 1990
Shimoda, M.; Shibamoto, T.,
Isolation and identification of headspace volatiles from brewed coffee with an on-column GC/MS method,
J. Agric. Food Chem., 1990, 38, 3, 802-804, https://doi.org/10.1021/jf00093a045
. [all data]
Ames, Guy, et al., 2001
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
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Kim, 2001
Kim, J.S.,
Einfluss der Temperatur beim Rösten von Sesam auf Aroma und antioxidative Eigenschaften des Öls, PhD Thesis, Technischen Universität Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151. [all data]
Oh, Hartman, et al., 1992
Oh, Y.-C.; Hartman, T.G.; Ho, C.-T.,
Volatile compounds generated from the Maillard reaction of pro-gly, gly-pro, and a mixture of glycine and proline with glucose,
J. Agric. Food Chem., 1992, 40, 10, 1878-1880, https://doi.org/10.1021/jf00022a030
. [all data]
Lu, Hao, et al., 2005
Lu, C.-Y.; Hao, Z.; Payne, R.; Ho, C.-T.,
Effects of water content on volatile generation and peptide degradation in the Maillard reaction of glycine, diglycine, and triglycine,
J. Agric. Food Chem., 2005, 53, 16, 6443-6447, https://doi.org/10.1021/jf050534p
. [all data]
Lopez-Galilea I., Fournier N., et al., 2006
Lopez-Galilea I.; Fournier N.; Cid C.; Guichard E.,
Changes in headspace volatile concentrations of coffee brews caused by the roasting process and the brewing procedure,
J. Agric. Food Chem., 2006, 54, 22, 8560-8566, https://doi.org/10.1021/jf061178t
. [all data]
Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y.,
Off-flavor compounds in spray-dried skim milk powder,
J. Agric. Food Chem., 1994, 42, 6, 1323-1327, https://doi.org/10.1021/jf00042a014
. [all data]
Shiratsuchi, Shimoda, et al., 1994, 2
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y.,
Volatile flavor compounds in spray-dried skim milk powder,
J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028
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Salter L.J., Mottram D.S., et al., 1988
Salter L.J.; Mottram D.S.; Whitfield,
Volatile compounds produces in Maillard reactions involving glycine, ribose and phospholid,
J. Sci. Food Agric., 1988, 46, 2, 227-242, https://doi.org/10.1002/jsfa.2740460211
. [all data]
Risticevic, Carasek, et al., 2008
Risticevic, S.; Carasek, E.; Pawliszyn, J.,
Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee,
Anal. Chim. Acta, 2008, 617, 1-2, 72-84, https://doi.org/10.1016/j.aca.2008.04.009
. [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]
Buttery, Ling, et al., 1997
Buttery, R.G.; Ling, L.C.; Stern, D.J.,
Studies on popcorn aroma and flavor volatiles,
J. Agric. Food Chem., 1997, 45, 3, 837-843, https://doi.org/10.1021/jf9604807
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Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D.,
Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data),
Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023
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Cajka, Hajslova, et al., 2007
Cajka, T.; Hajslova, J.; Cochran, J.; Holadova, K.; Klimankova, E.,
Solid phase microextraction - comprehensive two dimensional gas chromatography - time-of-flight mass spectrometry for the analysis of honey volatiles,
J. Sep. Sci., 2007, 30, 4, 534-546, https://doi.org/10.1002/jssc.200600413
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Buchbauer, Nikiforov, et al., 1994
Buchbauer, G.; Nikiforov, A.; Remberg, B.,
Headspace constituents of opium,
Planta Medica, 1994, 60, 2, 181-183, https://doi.org/10.1055/s-2006-959447
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Puvipirom and Chaisei, 2012
Puvipirom, J.; Chaisei, S.,
Contribution of roasted grains and seeds in aroma of oleang (Thai coffee drink),
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Moon and Shibamoto, 2009
Moon, J.-K.; Shibamoto, T.,
Role of roasting conditions in the profile of volatile flavor chemicals formed from coffee beans,
J. Agric. Food Chem., 2009, 57, 13, 5823-5831, https://doi.org/10.1021/jf901136e
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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
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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,
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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,
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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,
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Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A.,
Volatitle constituents of greem mate and roasted mate,
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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,
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Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S.,
Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee.,
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. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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