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:
  • Van Den Dool and Kratz RI, non-polar column, temperature ramp
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to calorie-based 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.

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

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

References

Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, Notes

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

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]

Notes

Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, References

• Symbols used in this document:
  

  Tend	Final temperature
  Tstart	Initial temperature

• 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.