Pyrazine, 2-ethenyl-5-methyl-
- Formula: C7H8N2
- Molecular weight: 120.1518
- IUPAC Standard InChI: InChI=1S/C7H8N2/c1-3-7-5-8-6(2)4-9-7/h3-5H,1H2,2H3
- IUPAC Standard InChIKey: JASFBLBUHWKFBZ-UHFFFAOYSA-N
- CAS Registry Number: 13925-08-1
- 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. - Other names: Pyrazine, 2-methyl-5-vinyl-; 2-Methyl-5-vinylpyrazine; 2-Ethenyl-5-methyl pyrazine; 2-Methyl-5-ethenylpyrazine; 2-Vinyl-5-methylpyrazine; Pyrazine, 2-vinyl,5-methyl; Pyrazine, 5(or 6)-ethenyl-2-methyl
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Mass spectrum (electron ionization)
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: 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. |
|---|---|
| NIST MS number | 2154 |
Gas Chromatography
Go To: Top, 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, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 994. | Shibamoto, Kamiya, et al., 1981 | N2, 1. K/min; Column length: 80. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Kovats' RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1468. | Shibamoto, Kamiya, et al., 1981 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BPX-5 | 1037. | 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 | 1034. | 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 | 993. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
| Capillary | BPX-5 | 1041. | Oruna-Concha, Duckham, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 35. C @ 3. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 1001. | Wu, Wang, et al., 2000 | 60. m/0.25 mm/1. μm, N2, 5. K/min, 200. C @ 30. min; Tstart: 30. C |
| Capillary | BPX-5 | 1032. | Ames, Defaye, et al., 1997 | 50. m/0.325 mm/0.5 μm, He, 50. C @ 2. min, 4. K/min, 250. C @ 10. min |
| Capillary | BPX-5 | 1035. | Ames, Defaye, et al., 1997 | 50. m/0.325 mm/0.5 μm, He, 50. C @ 2. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 989. | Specht and Baltes, 1994 | 60. m/0.25 mm/0.25 μm, 35. C @ 10. min, 2. K/min, 280. C @ 10. min |
| Capillary | HP-1 | 989. | Zhang, Dorjpalam, et al., 1992 | 50. m/0.32 mm/1.5 μm, 2. K/min, 220. C @ 30. min; Tstart: 40. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP-Sil 8CB-MS | 1023. | Elmore, Mottram, et al., 2000 | 60. m/0.25 mm/0.25 μm, He; Program: 0C(5min) => 40C/min => 40C (2min) => 4C/min => 280C |
| Capillary | BPX-5 | 1031. | Elmore, Mottram, et al., 1999 | 50. m/0.32 mm/0.5 μm, He; Program: 0C(5min) => 40C/min => 40C(2min) => 4C/min => 280C |
| Capillary | DB-5 | 1012. | Beal and Mottram, 1994 | 30. m/0.32 mm/1.0 μm, He; Program: 5 0C (0.5 min) -> (1 min) 60 0C (5 min) 4 0C/min -> 250 0C |
| Capillary | DB-1 | 994. | Kuo, Zhang, et al., 1989 | 60. m/0.32 mm/0.25 μm, He; Program: -40C => 40C/min => 40C => 2C/min => 260C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1495. | Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 4. K/min, 250. C @ 15. min |
| Capillary | DB-Wax | 1488. | 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 | 1493. | Shimoda, Shiratsuchi, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1476. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | MDN-5 | 1025. | 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 | 1025. | 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 | HP-5 | 1022. | Boylston and Viniyard, 1998 | 50. m/0.32 mm/0.52 μm, 35. C @ 15. min, 2. K/min, 250. C @ 45. min |
| Capillary | DB-1 | 992. | 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 |
| Capillary | DB-1 | 999. | Yu and Ho, 1995 | 60. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
| Capillary | DB-1 | 1001. | Yu, Wu, et al., 1994 | 60. m/0.25 mm/1.0 μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 1516. | Budryn, Nebesny, et al., 2011 | 30. m/0.32 mm/0.50 μm, Nitrogen, 35. C @ 5. min, 4. K/min, 250. C @ 45. min |
| Capillary | ZB-Wax | 1538. | Marin, Pozrl, et al., 2008 | 60. m/0.32 mm/0.50 μm, Helium, 40. C @ 5. min, 4. K/min, 220. C @ 5. min |
| Capillary | FFAP | 1516. | Nebesny, Budryn, et al., 2007 | 30. m/0.32 mm/0.5 μm, N2, 35. C @ 5. min, 4. K/min, 320. C @ 45. min |
| Capillary | TC-Wax | 1513. | 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 | DB-Wax | 1489. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
| Capillary | HP-Wax | 1520. | 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 | 1529. | 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 | 1498. | Shibamoto and Russell, 1977 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
| Capillary | Carbowax 20M | 1500. | Shibamoto and Russell, 1977 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1485. | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: not specified |
References
Go To: Top, 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.
Shibamoto, Kamiya, et al., 1981
Shibamoto, T.; Kamiya, Y.; Mihara, S.,
Isolation and identification of volatile compounds in cooked meat: sukiyaki,
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. [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
. [all data]
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]
Oruna-Concha, Duckham, et al., 2001
Oruna-Concha, M.J.; Duckham, S.C.; Ames, J.M.,
Comparison of volatile compounds isolated from the skin and flesh of four potato cultivars after baking,
J. Agric. Food Chem., 2001, 49, 5, 2414-2421, https://doi.org/10.1021/jf0012345
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Wu, Wang, et al., 2000
Wu, C.-M.; Wang, Z.; Wu, Q.H.,
Volatile compounds produced from monosodium glutamate in common food cooking,
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Ames, Defaye, et al., 1997
Ames, J.M.; Defaye, A.B.; Bates, L.,
The effect of pH on the volatiles formed in an extruded starch-glucose-lysine model system,
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Specht and Baltes, 1994
Specht, K.; Baltes, W.,
Identification of volatile flavor compounds with high aroma values from shallow-fried beef,
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Zhang, Dorjpalam, et al., 1992
Zhang, Y.; Dorjpalam, B.; Ho, C.-T.,
Contribution of peptides to volatile formation in the Maillard reaction of casein hydrolysate with glucose,
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Elmore, Mottram, et al., 2000
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
The effects of diet and breed on the volatile compounds of cooked lamb,
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Elmore, Mottram, et al., 1999
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
Effect of the polyunsaturated fatty acid composition of beef muscle on the profile of aroma volatiles,
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Beal and Mottram, 1994
Beal, A.D.; Mottram, D.S.,
Compounds contributing to the characteristic aroma of malted barley,
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Kuo, Zhang, et al., 1989
Kuo, M.-C.; Zhang, Y.; Hartman, T.G.; Rosen, R.T.; Ho, C.-T.,
Selective purge-and-trap method for the analysis of volatile pyrazines,
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Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007
Pozo-Bayon M.A.; Ruiz-Rodriguez A.; Pernin K.; Cayot N.,
Influence of eggs on the aroma composition of a sponge cake and on the aroma release in model studies on flavored sponge cakes,
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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,
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Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C.,
Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect,
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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,
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Boylston and Viniyard, 1998
Boylston, T.D.; Viniyard, B.T.,
Isolation of volatile flavor compounds from peanut butter using purge-and-trap technique
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Buttery, Ling, et al., 1997
Buttery, R.G.; Ling, L.C.; Stern, D.J.,
Studies on popcorn aroma and flavor volatiles,
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Yu and Ho, 1995
Yu, T.-H.; Ho, C.-T.,
Volatile compounds generated from thermal reaction of methionine and methionine sulfoxide with or without glucose,
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Yu, Wu, et al., 1994
Yu, T.-H.; Wu, C.-M.; Ho, C.-T.,
Meat-like flavor generated from thermal interactions of glucose and alliin or deoxyalliin,
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Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W.,
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Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C.,
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Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C.,
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Shibamoto and Russell, 1977
Shibamoto, T.; Russell, G.F.,
A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system,
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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.,
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Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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