Pyrazine, tetramethyl-

• Formula: C₈H₁₂N₂
• Molecular weight: 136.1943
• IUPAC Standard InChI: InChI=1S/C8H12N2/c1-5-6(2)10-8(4)7(3)9-5/h1-4H3 Copy

  
• IUPAC Standard InChIKey: FINHMKGKINIASC-UHFFFAOYSA-N Copy
• CAS Registry Number: 1124-11-4
• 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: BS Factor; Tetramethylpyrazine; 2,3,5,6-Tetramethylpyrazine; Tetramethylpyrazin; Pyrazine, 2,3,5,6-tetramethyl
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Gas Chromatography

Go To: Top, Condensed phase thermochemistry data, 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

View large format table.

Kovats' RI, non-polar column, temperature ramp

View large format table.

Kovats' RI, polar column, isothermal

View large format table.

Kovats' RI, polar column, temperature ramp

View large format table.

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

Van Den Dool and Kratz RI, polar column, temperature ramp

View large format table.

Van Den Dool and Kratz RI, polar column, custom temperature program

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Normal alkane RI, polar column, temperature ramp

View large format table.

Normal alkane RI, polar column, custom temperature program

View large format table.

References

Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ribeiro da Silva, Morais, et al., 1996
Ribeiro da Silva, M.A.V.; Morais, V.M.F.; Matos, M.A.R.; Rio, C.M.A.; Piedade, G.M.G.S., Thermochemical and theoretical study of some methyldiazines, Struct. Chem., 1996, 7, 329-336. [all data]

Samusenko and Golovnya, 1988
Samusenko, A.L.; Golovnya, R.V., Prediction of the retention indices of methyl pyridines and pyrazines in capillary gas chromatography based on the non-linear additivity of the sorption energy, Chromatographia, 1988, 25, 6, 531-535, https://doi.org/10.1007/BF02324828 . [all data]

Golovnya, Samusenko, et al., 1987
Golovnya, R.V.; Samusenko, A.L.; Dmitriev, L.B., Behavior of methyl-substituted pyrazines and use of the principle of nonadditive change in the sorption energy for prediction of the retention indices in capillary gas chromatography, Zh. Anal. Khim., 1987, 42, 4, 558-563. [all data]

Shibamoto, Kamiya, et al., 1981
Shibamoto, T.; Kamiya, Y.; Mihara, S., Isolation and identification of volatile compounds in cooked meat: sukiyaki, J. Agric. Food Chem., 1981, 29, 1, 57-63, https://doi.org/10.1021/jf00103a015 . [all data]

Yeo and Shibamoto, 1991
Yeo, H.C.H.; Shibamoto, T., Microwave-induced volatiles of the Maillard model system under different pH conditions, J. Agric. Food Chem., 1991, 39, 2, 370-373, https://doi.org/10.1021/jf00002a029 . [all data]

Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L., Key Odor Impact Compounds in Three Yeast Extract Pastes, J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x . [all data]

Dickschat J.S., Wagner-Dobler I., et al., 2005
Dickschat J.S.; Wagner-Dobler I.; Schulz S., The chafer pheromone buibuilactone and ant pyrazines are also produced by marine bacteria, J. Chem. Ecol., 2005, 31, 4, 925-947, https://doi.org/10.1007/s10886-005-3553-9 . [all data]

Avsar, Karagul-Yuceer, et al., 2004
Avsar, Y.K.; Karagul-Yuceer, Y.; Drake, M.A.; Singh, T.K.; Yoon, Y.; Cadwallader, K.R., Characterization of nutty flavor in cheddar cheese, J. Dairy Sci., 2004, 87, 7, 1999-2010, https://doi.org/10.3168/jds.S0022-0302(04)70017-X . [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]

Yin, Xiu, et al., 2001
Yin, W.; Xiu, Z.; Aijin, H., Analysis of the volatile components in trogopterorum feces by capillary gas chromatography and gas chromatography/mass spectrometry, Fenxi Huaxue, 2001, 29, 2, 195-198. [all data]

Aaslyng, Elmore, et al., 1998
Aaslyng, M.D.; Elmore, J.S.; Mottram, D.S., Comparison of the aroma characteristics of acid-hydrolyzed and enzyme-hydrolyzed vegetable proteins produced from soy, J. Agric. Food Chem., 1998, 46, 12, 5225-5231, https://doi.org/10.1021/jf9806816 . [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]

Golovnya, Samusenko, et al., 1991
Golovnya, R.V.; Samusenko, A.L.; Sagalovich, V.P., Prediction of retention indices for methyl-substituted pyrazines in capillary gas chromatography with linear programming, Zh. Anal. Khim., 1991, 46, 4, 727-735. [all data]

Misharina, Golovnya, et al., 1991
Misharina, T.A.; Golovnya, R.V.; Yakovleva, V.N.; Vitt, S.V., Pyrazines formed in model glycerin-water systems, Russ. Chem. Bull. (Engl. Transl.), 1991, 40, 9, 1742-1748, https://doi.org/10.1007/BF00960396 . [all data]

Oh, Shu, et al., 1991
Oh, Y.-C.; Shu, C.-K.; Ho, C.-T., Some volatile compounds formed from thermal interaction of glucose with glycine, diglycine, triglycine, and tetraglycine, J. Agric. Food Chem., 1991, 39, 9, 1553-1554, https://doi.org/10.1021/jf00009a003 . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [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]

Owens J.D., Allagheny N., et al., 1997
Owens J.D.; Allagheny N.; Kipping G.; Ames J.M., Formation of volatile compounds during Bacillus subtilis fermentation of soya beans, J. Sci. Food Agric., 1997, 74, 1, 132-140, https://doi.org/10.1002/(SICI)1097-0010(199705)74:1<132::AID-JSFA779>3.0.CO;2-8 . [all data]

Bonvehí, 2005
Bonvehí, J.S., Investigation of aromatic compounds in roasted cocoa powder, Eur. Food Res. Technol., 2005, 221, 1-2, 19-29, https://doi.org/10.1007/s00217-005-1147-y . [all data]

Chung, Yung, et al., 2002
Chung, H.-Y.; Yung, I.K.S.; Ma, W.C.J.; Kim, J.-S., Analysis of volatile components in frozen and dried scallops (Patinopecten yessoensis) by gas chromatography/mass spectrometry, Food Res. Int., 2002, 35, 1, 43-53, https://doi.org/10.1016/S0963-9969(01)00107-7 . [all data]

Chung, Yung, et al., 2001
Chung, H.Y.; Yung, I.K.S.; Kim, J.-S., Comparison of volatile components in dried scallops (Chlamys farreri and Patinopecten yessoensis) prepared by boiling and steaming methods, J. Agric. Food Chem., 2001, 49, 1, 192-202, https://doi.org/10.1021/jf000692a . [all data]

Chung, 2000
Chung, H.Y., Volatile flavor components in red fermented soybean (Glycine max) curds, J. Agric. Food Chem., 2000, 48, 5, 1803-1809, https://doi.org/10.1021/jf991272s . [all data]

Chung, 1999
Chung, H.Y., Volatile components in crabmeats of Charybdis feriatus, J. Agric. Food Chem., 1999, 47, 6, 2280-2287, https://doi.org/10.1021/jf981027t . [all data]

Chung and Cadwallader, 1993
Chung, H.Y.; Cadwallader, K.R., Volatile components in blue crab (Callinectes sapidus) meat and processing by-product, J. Food Sci., 1993, 58, 6, 1203-1207, https://doi.org/10.1111/j.1365-2621.1993.tb06148.x . [all data]

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]

Whitfield, Mottram, et al., 1988
Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J., Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose, J. Sci. Food Agric., 1988, 42, 3, 261-272, https://doi.org/10.1002/jsfa.2740420309 . [all data]

Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393 . [all data]

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, Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305 . [all data]

Baek and Cadwallader, 1996
Baek, H.H.; Cadwallader, K.R., Volatile compounds in flavor concentrates produced from crayfish-processing byproducts with and without protease treatment, J. Agric. Food Chem., 1996, 44, 10, 3262-3267, https://doi.org/10.1021/jf960023q . [all data]

Fadel, Mageed, et al., 2006
Fadel, H.H.M.; Mageed, M.A.A.; Samad, A.K.M.E.A.; Lotfy, S.N., Cocoa substitute: Evaluation of sensory qualities and flavour stability, Eur. Food Res. Technol., 2006, 223, 1, 125-131, https://doi.org/10.1007/s00217-005-0162-3 . [all data]

Wang, Yang, et al., 2006
Wang, Q.; Yang, Y.; Zhao, X.; Zhu, B.; Nan, P.; Zhao, J.; Wang, L.; Chen, F.; Liu, Z.; Zhong, Y., Chemical variation in the essential oil of Ephedra sinica from Northeastern China, Food Chem., 2006, 98, 1, 52-58, https://doi.org/10.1016/j.foodchem.2005.04.033 . [all data]

Tellez, Khan, et al., 2004
Tellez, M.R.; Khan, I.A.; Schaneberg, B.T.; Crockett, S.L.; Rimando, A.M.; Kobaisy, M., Steam distillation-solid-phase microextraction for the detection of Ephedra sinica in herbal preparations, J. Chromatogr. A, 2004, 1025, 1, 51-56, https://doi.org/10.1016/S0021-9673(03)01035-5 . [all data]

Welty, Marshall, et al., 2001
Welty, W.M.; Marshall, R.T.; Grün, I.U.; Ellersieck, M.R., Effects of Milk Fat, Cocoa Butter, or Selected Fat Replacers on Flavor Volatiles of Chocolate Ice Cream, J. Dairy Sci., 2001, 84, 1, 21-30, https://doi.org/10.3168/jds.S0022-0302(01)74447-5 . [all data]

Misharina, Golovnya, et al., 1991, 2
Misharina, T.A.; Golovnya, R.V.; Charnomskii, V.V., Volatile components of boiled shrimp funchalia woodwardi and crab geryon maritae, Zh. Anal. Khim., 1991, 46, 1421-1429. [all data]

Mihara and Masuda, 1987
Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 1987, 402, 309-317, https://doi.org/10.1016/0021-9673(87)80029-8 . [all data]

Wu, Liou, et al., 1987
Wu, C.-M.; Liou, S.-E.; Chang, Y.-H.; Chiang, W., Volatile compounds of the wax gourd (Benincasa hispida, Cogn) and a wax gourd beverage, J. Food Sci., 1987, 52, 1, 132-134, https://doi.org/10.1111/j.1365-2621.1987.tb13988.x . [all data]

Gallois and Grimont, 1985
Gallois, A.; Grimont, P.A.D., Pyrazines responsible for the potatolike odor produced by some Serratia and Cedecea strains, Appl. Environ. Microbiol., 1985, 10, 1048-1051. [all data]

Mihara and Enomoto, 1985
Mihara, S.; Enomoto, N., Calculation of retention indices of pyrazines on the basis of molecular structure, J. Chromatogr., 1985, 324, 428-430, https://doi.org/10.1016/S0021-9673(01)81342-X . [all data]

del Rosario, de Lumen, et al., 1984
del Rosario, R.; de Lumen, B.O.; Habu, T.; Flath, R.A.; Mon, T.R.; Teranishi, R., Comparison of headspace volatiles from winged beans and soybeans, J. Agric. Food Chem., 1984, 32, 5, 1011-1015, https://doi.org/10.1021/jf00125a015 . [all data]

Chen and Li, 2011
Chen, S.; Li, X., Analysis of common volatile constituents between herbal pair Ephedra Sinica Stapf-Zingiber offoconale Rosc. and its single herb by GC-MS combined with AMWFA method, 2011, retrieved from http://www.webmedcentral.com. [all data]

Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007
Characterization of Pyrazines in Some Chinese Liquors; Their Approximate Concentrations, W. Fan; Y. Xu; Y. Zhang, J. Agric. Food Chem., 2007, 55, 9956-9962. [all data]

Counet, Ouwerx, et al., 2004
Counet, C.; Ouwerx, C.; Rosoux, D.; Collin, S., Relationship between procyanidin and flavor contents of cocoa liquors from different origins, J. Agric. Food Chem., 2004, 52, 20, 6243-6249, https://doi.org/10.1021/jf040105b . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Counet, Callemien, et al., 2002
Counet, C.; Callemien, D.; Ouwerx, C.; Collin, S., Use of gas chromatography-olfactometry to identify key odorant compounds in dark chocolate. Comparison of samples before and after conching, J. Agric. Food Chem., 2002, 50, 8, 2385-2391, https://doi.org/10.1021/jf0114177 . [all data]

Ansorena, Gimeno, et al., 2001
Ansorena, D.; Gimeno, O.; Astiasarán, I.; Bello, J., Analysis of volatile compounds by GC-MS of a dry fermented sausage: chorizo de Pamplona, Food Res. Int., 2001, 34, 1, 67-75, https://doi.org/10.1016/S0963-9969(00)00133-2 . [all data]

Ansorena, Astiasarán, et al., 2000
Ansorena, D.; Astiasarán, I.; Bello, J., Influence of the simultaneous addition of the protease flavourzyme and the lipase novozyme 677BG on dry fermented sausage compounds extracted by SDE and analyzed by GC-MS, J. Agric. Food Chem., 2000, 48, 6, 2395-2400, https://doi.org/10.1021/jf990931y . [all data]

Mateo, Aguirrezábal, et al., 1997
Mateo, J.; Aguirrezábal, M.; Domínguez, C.; Zumalacárregui, J.M., Volatile compounds in Spanish paprika, J. Food Comp. Anal., 1997, 10, 3, 225-232, https://doi.org/10.1006/jfca.1997.0535 . [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]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Mo, Fan, et al., 2009
Mo, X.; Fan, W.; Xu, Y., Changes in volatile compounds of Chinese rice wine wheat qu during fermentation and storage, J. of the Institute of Brewing, 2009, 115, 4, 300-307, https://doi.org/10.1002/j.2050-0416.2009.tb00385.x . [all data]

Fan and Qian, 2006
Fan, W.; Qian, M.C., Characterization of Aroma Compounds of Chinese Wuliangye and Jiannanchun Liquors by Aroma Extract Dilution Analysis, J. Agric. Food Chem., 2006, 54, 7, 2695-2704, https://doi.org/10.1021/jf052635t . [all data]

Fan and Qian, 2005
Fan, W.; Qian, M.C., Headspace Solid Phase Microextraction and Gas Chromatography-Olfactometry Dilution Analysis of Young and Aged Chinese Yanghe Daqu Liquors, J. Agric. Food Chem., 2005, 53, 20, 7931-7938, https://doi.org/10.1021/jf051011k . [all data]

Tanaka, Yamauchi, et al., 2003
Tanaka, T.; Yamauchi, T.; Katsumata, R.; Kiuchi, K., Comparison of volatile components in commercial Itohiki-Natto by solid phase microextraction and gas chromatography, Nippon Shokuhin Kagaku Kogaku Kaishi, 2003, 50, 6, 278-285, https://doi.org/10.3136/nskkk.50.278 . [all data]

Qian and Reineccius, 2002
Qian, M.; Reineccius, G., Identification of aroma compounds in Parmigiano-Reggiano cheese by gas chromatography/olfactometry, J. Dairy Sci., 2002, 85, 6, 1362-1369, https://doi.org/10.3168/jds.S0022-0302(02)74202-1 . [all data]

Miyazawa, Kurose, et al., 2001
Miyazawa, M.; Kurose, K.; Itoh, A.; Hiraoka, N., Comparison of the essential oils of Glehnia littoralis from Northern and Southern Japan, J. Agric. Food Chem., 2001, 49, 11, 5433-5436, https://doi.org/10.1021/jf010219c . [all data]

Shuichi, Masazumi, et al., 1996
Shuichi, H.; Masazumi, N.; Hiromu, K.; Kiyoshi, F., Comparison of volatile compounds berween the crude drugs, Onji-tsutsu and Onji-niki, Nippon nogei kagaku kaishi, 1996, 70, 2, 151-160. [all data]

Hatsuko, Kazuko, et al., 1992
Hatsuko, S.; Kazuko, H.; Masayoshi, K.; Yoshiaki, I., Improvement of quality of likorine extract by heat treatment, J. Food Sci. Technol., 1992, 39, 11, 976-983, https://doi.org/10.3136/nskkk1962.39.976 . [all data]

Vernin, Metzger, et al., 1988
Vernin, G.; Metzger, J.; Obretenov, T.; Suon, K.-N.; Fraisse, D., GC/MS (EI,PCI,SIM)-data bank analysis of volatile compounds arising from thermal degradation of glucose-valine amadori intermediates in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 999-1028. [all data]

Wong and Bernhard, 1988
Wong, J.M.; Bernhard, R.A., Effect of nitrogen source on pyrazine formation, J. Agric. Food Chem., 1988, 36, 1, 123-129, https://doi.org/10.1021/jf00079a032 . [all data]

Liardon and Ledermann, 1980
Liardon, R.; Ledermann, S., volatile components of fermented soya hydrolysate. II. Composition of basic fraction, Z. Lebensm. Unters. Forsch., 1980, 170, 3, 208-213, https://doi.org/10.1007/BF01042542 . [all data]

Shibamoto and Russell, 1977
Shibamoto, T.; Russell, G.F., A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system, J. Agric. Food Chem., 1977, 25, 1, 109-112, https://doi.org/10.1021/jf60209a054 . [all data]

Krings, Zelena, et al., 2006
Krings, U.; Zelena, K.; Wu, S.; Berger, R.G., Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder, Eur. Food Res. Technol., 2006, 223, 5, 675-681, https://doi.org/10.1007/s00217-006-0252-x . [all data]

Ito and Mori, 2004
Ito, K.; Mori, M., Formation of pyrazines in aqueous maltose/glucose/fructose-glutamide model systems upon heating at below 100 0C, Food Sci. Technol. Res., 2004, 10, 2, 199-204, https://doi.org/10.3136/fstr.10.199 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References

• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.