4-Methylthiazole
- Formula: C4H5NS
- Molecular weight: 99.154
- IUPAC Standard InChIKey: QMHIMXFNBOYPND-UHFFFAOYSA-N
- CAS Registry Number: 693-95-8
- 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: Thiazole, 4-methyl-
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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 26.71 ± 0.21 | kcal/mol | Ccb | Mansson and Sunner, 1966 | Reanalyzed by Cox and Pilcher, 1970, Original value = 26.80 ± 0.17 kcal/mol |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry 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-NW-6431 |
NIST MS number | 229828 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry 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, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 110. | 831. | Zhuravleva, 2000 | 50. m/0.3 mm/0.4 μm, He |
Capillary | OV-101 | 110. | 831. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Packed | Apiezon L | 100. | 811. | Yakush, Golovnya, et al., 1986 | Chromosorb GAW; Column length: 2.5 m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-40M | 110. | 1288. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 802. | Methven L., Tsoukka M., et al., 2007 | 60. m/0.32 mm/1. μm, 40. C @ 2. min, 4. K/min, 260. C @ 10. min |
Capillary | DB-1 | 786. | Rochat S., de Saint Laumer J.Y., et al., 2007 | 20. m/0.18 mm/0.18 μm, 60. C @ 3. min, 8. K/min, 220. C @ 5. min |
Capillary | DB-1 | 786. | Rochat S., de Saint Laumer J.Y., et al., 2007 | 20. m/0.18 mm/0.18 μm, 60. C @ 3. min, 8. K/min, 220. C @ 5. min |
Capillary | BPX-5 | 836. | Bredie, Mottram, et al., 2002 | 50. m/0.32 mm/0.5 μm, 60. C @ 5. min, 4. K/min, 250. C @ 20. min |
Capillary | BPX-5 | 861. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.5 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Capillary | BPX-5 | 861. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.5 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
Capillary | DB-1 | 789. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
Capillary | DB-1 | 793. | Zhang and Ho, 1991 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C |
Capillary | DB-1 | 777. | Zhang, Chien, et al., 1988 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 220. 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 | CP-Sil 8CB-MS | 821. | 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 | DB-5 | 836. | Parker, Hassell, et al., 2000 | 50. m/0.32 mm/0.5 μm, He; Program: oC(5min) => 60C/min => 60C (5min) => 4C/min => 250C |
Capillary | BPX-5 | 836. | 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 | BPX-5 | 828. | 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 | DB-Wax | 1278. | Kim, 2001 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1280. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) |
Capillary | Supelcowax-10 | 1284. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(1min) => 10C/min => 120C => 15C/min => 200C (1min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SLB-5MS | 823. | 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 | HG-5 | 823. | Drumm and Spanier, 1991 | 50. m/0.32 mm/0.52 μm, He, 35. C @ 15. min, 3. K/min, 250. C @ 45. min |
Capillary | OV-101 | 830. | Misharina, Golovnya, et al., 1991 | 50. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | OV-101 | 830. | Misharina, Golovnya, et al., 1991 | 50. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | DB-1 | 798. | Guntert, Brüning, et al., 1990 | 60. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SLB-5MS | 791. | Risticevic, Carasek, et al., 2008 | 10. m/0.18 mm/0.18 μm, Helium; Program: not specified |
Capillary | DB-1 | 786. | Chantreau, Rochat, et al., 2006 | 20. m/0.18 mm/0.18 μm; Program: not specified |
Capillary | DB-1 | 786. | Chantreau, Rochat, et al., 2006 | 20. m/0.18 mm/0.18 μm; Program: not specified |
Capillary | SE-30 | 800. | Vinogradov, 2004 | Program: not specified |
Capillary | Methyl Silicone | 795. | Misharina, 1995 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 1265. | 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 | 1265. | Puvipirom and Chaisei, 2012 | 15. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C |
Capillary | FFAP | 1297. | 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 | 1312. | 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 | 1297. | 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 | 1287. | 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 | 1304. | 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 | 1304. | 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 | DB-Wax | 1278. | Umano, Hagi, et al., 1995 | He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C |
Capillary | DB-Wax | 1279. | Guntert, Brüning, et al., 1990 | 60. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 220. C |
Capillary | Carbowax 20M | 1270. | 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 | 1274. | 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 | 1270. | Shibamoto and Russell, 1976 | N2, 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
Capillary | Carbowax 20M | 1272. | Shibamoto and Russell, 1976 | N2, 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 | HP-Innowax | 1286. | Viegas and Bassoli, 2007 | 60. m/0.32 mm/0.25 μm, Helium; Program: 40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min) |
Capillary | HP-Innowax | 1284. | Viegas and Bassoli, 2007 | 60. m/0.32 mm/0.25 μm, Helium; Program: not specified |
Capillary | Carbowax 20M | 1263. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry 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.
Mansson and Sunner, 1966
Mansson, M.; Sunner, S.,
Heats of combustion and formation of 4-methylthiazole and 4-cyanothiazole,
Acta Chem. Scand., 1966, 20, 845-848. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Zhuravleva, 2000
Zhuravleva, I.L.,
Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 325-328, https://doi.org/10.1007/BF02494682
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Zhuravleva, Shenderyuk, et al., 1990
Zhuravleva, I.L.; Shenderyuk, V.V.; Yakush, E.V.; Golovnya, R.V.,
Calculation of retention indexes of alkyloxazoles and alkylthiazoles in capillary chromatography,
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Yakush, Golovnya, et al., 1986
Yakush, E.V.; Golovnya, R.V.; Zhuravleva, I.L.; Grigor'eva, D.N.,
Thermodynamic criterion and its use for identification of alkylthiazols from gas chromatographic data,
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Methven L., Tsoukka M., et al., 2007
Methven L.; Tsoukka M.; Oruna-Concha M.J.; Parker J.K.; Mottram D.S.,
Influence of sulfur amino acids on the volatile and nonvolatile components of cooked salmon (Salmo salar),
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Rochat S., de Saint Laumer J.Y., et al., 2007
Rochat S.; de Saint Laumer J.Y.; Chaintreau A.,
Analysis of sulfur compounds from the in-oven roast beef aroma by comprehensive two-dimensional gas chromatography,
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Bredie, Mottram, et al., 2002
Bredie, W.L.P.; Mottram, D.S.; Guy, R.C.E.,
Effect of temperature and pH on the generation of flavor volatiles in extrusion cooking of wheat flour,
J. Agric. Food Chem., 2002, 50, 5, 1118-1125, https://doi.org/10.1021/jf0111662
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Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J.,
Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking,
J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547
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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]
Zhang and Ho, 1991
Zhang, Y.; Ho, C.-T.,
Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione,
J. Agric. Food Chem., 1991, 39, 4, 760-763, https://doi.org/10.1021/jf00004a029
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Zhang, Chien, et al., 1988
Zhang, Y.; Chien, M.; Ho.C.-T.,
Comparison of the volatile compounds obtained from thermal degradation of cysteine and glutathione in water,
J. Agric. Food Chem., 1988, 36, 5, 992-996, https://doi.org/10.1021/jf00083a022
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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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Parker, Hassell, et al., 2000
Parker, J.K.; Hassell, G.M.E.; Mottram, D.S.; Guy, R.C.E.,
Sensory and instrumental analyses of volatiles generated during the extrusion cooking of oat flours,
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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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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,
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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,
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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,
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Drumm and Spanier, 1991
Drumm, T.D.; Spanier, A.M.,
Changes in the content of lipid autoxidation and sulfur-containing compounds in cooked beef during storage,
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Misharina, Golovnya, et al., 1991
Misharina, T.A.; Golovnya, R.V.; Charnomskii, V.V.,
Volatile components of boiled shrimp funchalia woodwardi and crab geryon maritae,
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Guntert, Brüning, et al., 1990
Guntert, M.; Brüning, J.; Emberger, R.; Köpsel, Ml; Kuhn, W.; Thielmann, T.; Werkhoff, P.,
Identification and formation of some selected sulfur-containing flavor compounds in various meat model systems,
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Chantreau, Rochat, et al., 2006
Chantreau, A.; Rochat, S.; de Saint Laumer, J.-Y.,
Re-investigation of sulfur impact odorants in roast beef using comprehensive two-dimensional GC-TOF-MS and the GC-SNIF,
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Vinogradov, 2004
Vinogradov, B.A.,
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Misharina, 1995
Misharina, T.A.,
Sorption regularities of sulfur- and oxygen-containing compounds in chromatography and their application in identification of volatile organic compounds, Diss. degree of Dr. Sci. (Chemistry), 1995, 52. [all data]
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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Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W.,
HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews,
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Marin, K.; Pozrl, T.; Zlatic, E.; Plestenjak, A.,
A new aroma index to determine the aroma quality of roasted and ground coffee during storage,
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Nebesny, E.; Budryn, G.; Kula, J.; Majda, T.,
The effect of roasting method on headspace composition of robusta coffee bean aroma,
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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,
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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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Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T.,
Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system,
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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,
J. Agric. Food Chem., 1977, 25, 1, 109-112, https://doi.org/10.1021/jf60209a054
. [all data]
Shibamoto and Russell, 1976
Shibamoto, T.; Russell, G.F.,
Study of meat volatiles associated with aroma generated in a D-glucose-hydrogen sulfide-ammonia model system,
J. Agric. Food Chem., 1976, 24, 4, 843-846, https://doi.org/10.1021/jf60206a047
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Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G.,
Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax,
Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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