Thiazole, 2-methyl-
- Formula: C4H5NS
- Molecular weight: 99.154
- IUPAC Standard InChIKey: VZWOXDYRBDIHMA-UHFFFAOYSA-N
- CAS Registry Number: 3581-87-1
- 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. - Species with the same structure:
- Other names: 2-Methylthiazole
- Information on this page:
- Other data available:
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Condensed phase thermochemistry data
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 50.65 | cal/mol*K | N/A | Soulie, Goursot, et al., 1969 | |
S°liquid | 50.641 | cal/mol*K | N/A | Goursot and Westrum, 1968 | |
S°liquid | 50.641 | cal/mol*K | N/A | Goursot and Westrum, 1968, 2 |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
36.02 | 298.15 | Soulie, Goursot, et al., 1969 | T = 5 to 300 K. |
36.011 | 298.15 | Goursot and Westrum, 1968 | T = 5 to 340 K. |
36.011 | 298.15 | Goursot and Westrum, 1968, 2 | T = 15 to 298 K. |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, UV/Visible spectrum, 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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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | TNO Volatile Compounds in Food - Chemical Concepts |
NIST MS number | 249119 |
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, 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.
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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Download spectrum in JCAMP-DX format.
Source | Bolshakov, et al., 1969 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 20238 |
Instrument | unknown |
Boiling point | 128.5 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 808. | 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 | 777. | 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 | 815. | 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 | 815. | 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 | 778. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
Capillary | DB-5 | 832. | Madruga and Mottram, 1998 | 30. m/0.32 mm/1. μm, 60. C @ 5. min, 4. K/min, 250. C @ 20. min |
Capillary | DB-1 | 783. | 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 and Ho, 1989 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C |
Capillary | DB-1 | 763. | 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 | 810. | 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 | 819. | Parker, Hassell, et al., 2000 | 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 | 1268. | Mahattanatawee K., Perez-Cacho P.R., et al., 2007 | 30. m/0.32 mm/0.5 μm, He, 7. K/min, 240. C @ 5. min; Tstart: 40. C |
Capillary | DB-Wax | 1250. | Mahattanatawee K., Perez-Cacho P.R., et al., 2007 | 30. m/0.32 mm/0.5 μm, He, 7. K/min, 240. C @ 5. min; Tstart: 40. C |
Capillary | DB-Wax | 1265. | Kim, 2001 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min |
Capillary | Supelcowax-10 | 1239. | Chung, 1999 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min |
Capillary | DB-Wax | 1241. | Chung, Eiserich, et al., 1994 | He, 60. C @ 4. min, 3. K/min, 220. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm |
Capillary | CP-WAX 57CB | 1243. | Whitfield, Mottram, et al., 1988 | He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Wax 52CB | 1250. | Madruga and Mottram, 1998 | 50. m/0.32 mm/0.21 μm; Program: 0C(5min) => fast => 60C(5min) => 4C/min => 220C(20min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 791. | 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 |
Capillary | DB-1 | 790. | Yu, Wu, et al., 1994, 2 | 60. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 777. | Chantreau, Rochat, et al., 2006 | 20. m/0.18 mm/0.18 μm; Program: not specified |
Capillary | SE-30 | 780. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Wax | 1260. | 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 | 1260. | 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 | DB-Wax | 1228. | Horiuchi, Umano, et al., 1998 | 60. m/0.25 mm/1. μm, He, 3. K/min, 200. C @ 40. min; Tstart: 50. C |
Capillary | DB-Wax | 1239. | 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 | Carbowax 20M | 1220. | 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 | 1222. | 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 | Carbowax 20M | 1256. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Soulie, Goursot, et al., 1969
Soulie, M.A.; Goursot, P.; Peneloux, A.; Metzger, J.,
Properties thermochimiques du methyl-2 thiazole,
J. chim. Phys. physicochim. Biol., 1969, 66, 607-610. [all data]
Goursot and Westrum, 1968
Goursot, P.; Westrum, E.F., Jr.,
Heat capacity and thermodynamic properties of 2-methylthiazole from 5 to 350K,
J. Chem. Eng. Data, 1968, 13, 468-471. [all data]
Goursot and Westrum, 1968, 2
Goursot, P.; Westrum, E.F., Jr.,
Mesure de la capacite calorifique du methyl-2 thiazole de 5 a 300K,
Compt. rend., 1968, C266, 667-668. [all data]
Bolshakov, et al., 1969
Bolshakov, G.F., et al.,
Ultraviolet Spectra of Heteroorganic Compounds, 1969, 358. [all data]
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),
J. Agric. Food Chem., 2007, 55, 4, 1427-1436, https://doi.org/10.1021/jf0625611
. [all data]
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,
J. Chromatogr. A, 2007, 1147, 1, 85-94, https://doi.org/10.1016/j.chroma.2007.02.039
. [all data]
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
. [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]
Madruga and Mottram, 1998
Madruga, M.S.; Mottram, D.S.,
The effect of pH on the formation of volatile compounds produced by heating a model system containing 5'-imp and cysteine,
J. Braz. Chem. Soc., 1998, 9, 3, 261-271, https://doi.org/10.1590/S0103-50531998000300010
. [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
. [all data]
Zhang and Ho, 1989
Zhang, Y.; Ho, C.-T.,
Volatile compounds formed from thermnal interaction of 2,4-decadienal with cysteine and glutathione,
J. Agric. Food Chem., 1989, 37, 4, 1016-1020, https://doi.org/10.1021/jf00088a044
. [all data]
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
. [all data]
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,
Meat Sci., 2000, 55, 2, 149-159, https://doi.org/10.1016/S0309-1740(99)00137-0
. [all data]
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,
J. Agric. Food Chem., 2000, 48, 8, 3497-3506, https://doi.org/10.1021/jf991302r
. [all data]
Mahattanatawee K., Perez-Cacho P.R., et al., 2007
Mahattanatawee K.; Perez-Cacho P.R.; Davenport T.; Rouseff R.,
Comparison of three lychee cultivar odor profiles using gas chromatography-olfactometry and gas chromatography-sulfur detection,
J. Agric. Food Chem., 2007, 55, 5, 1939-1944, https://doi.org/10.1021/jf062925p
. [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, Eiserich, et al., 1994
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T.,
Volatile compounds produced from peanut oil heated with different amounts of cysteine,
J. Agric. Food Chem., 1994, 42, 8, 1743-1746, https://doi.org/10.1021/jf00044a032
. [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]
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,
J. Agric. Food Chem., 1994, 42, 4, 1005-1009, https://doi.org/10.1021/jf00040a032
. [all data]
Yu, Wu, et al., 1994, 2
Yu, T.-H.; Wu, C.-M.; Rosen, R.T.; Hartman, T.G.; Ho, C.-T.,
Volatile compounds in generated from thermal degradation of alliin and deoxyalliin in an aqueous solution,
J. Agric. Food Chem., 1994, 42, 1, 146-153, https://doi.org/10.1021/jf00037a026
. [all data]
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,
Developments Food. Sci., 2006, 43, 601-604. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
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,
J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110
. [all data]
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,
J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r
. [all data]
Horiuchi, Umano, et al., 1998
Horiuchi, M.; Umano, K.; Shibamoto, T.,
Analysis of volatile compounds formed from fish oil heated with cysteine and trimethylamine oxide,
J. Agric. Food Chem., 1998, 46, 12, 5232-5237, https://doi.org/10.1021/jf980482m
. [all data]
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,
J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046
. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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