4-Methyl-5-ethylthiazole
- Formula: C6H9NS
- Molecular weight: 127.207
- IUPAC Standard InChIKey: XPQULTFBJPGINB-UHFFFAOYSA-N
- CAS Registry Number: 31883-01-9
- 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: 5-Ethyl-4-methylthiazole; Thiazole, 5-ethyl-4-methyl-; 5-Ethyl-4-methyl-1,3-thiazole; Thiazole, 4-methyl-5-ethyl
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Phase change 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: Robert L. Brown and Stephen E. Stein
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference |
---|---|---|
443.2 | 0.993 | Weast and Grasselli, 1989 |
351.7 | 0.033 | Weast and Grasselli, 1989 |
Mass spectrum (electron ionization)
Go To: Top, Phase change 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 | HB-13 |
NIST MS number | 30769 |
Gas Chromatography
Go To: Top, Phase change 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. | 1004. | Golovnya, Zhuravleva, et al., 1991 | 50. m/0.30 mm/0.4 μm, He |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 988. | 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 | 991. | 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 | OV-101 | 989. | Misharina, Golovnya, et al., 1992 | 50. m/0.31 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 250. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1039. | Mottram and Whitfield, 1995 | He; Column length: 50. m; Column diameter: 0.32 mm; Program: 0C => 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 | PEG-20M | 1467. | Shimoda, Nakada, et al., 1997 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1467. | Shimoda, Shiratsuchi, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1467. | 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 | 1440. | 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 |
Capillary | CP-WAX 57CB | 1446. | 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 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1023. | 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, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 988. | Chantreau, Rochat, et al., 2006 | 20. m/0.18 mm/0.18 μm; Program: not specified |
Capillary | DB-1 | 991. | Chantreau, Rochat, et al., 2006 | 20. m/0.18 mm/0.18 μm; Program: not specified |
Capillary | Methyl Silicone | 986. | Misharina, 1995 | Program: not specified |
References
Go To: Top, Phase change 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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Golovnya, Zhuravleva, et al., 1991
Golovnya, R.V.; Zhuravleva, I.L.; Yakush, E.V.; Schenderjuk, V.V.,
Retentions of alkyloxazoles and alkythiazoles and their prediction based on non-linear additivity concepts in gas chromatography,
J. Chromatogr., 1991, 552, 1-12, https://doi.org/10.1016/S0021-9673(01)95918-7
. [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]
Misharina, Golovnya, et al., 1992
Misharina, T.A.; Golovnya, R.V.; Artamonova, M.P.; Zhuravskaya, N.K.,
Identification of volatile components of a model system with meat aroma,
Zh. Anal. Khim., 1992, 47, 850-857. [all data]
Mottram and Whitfield, 1995
Mottram, D.S.; Whitfield, F.B.,
Volatile compounds from the reaction of cysteine, ribose, and phospholipid in low-moisture systems,
J. Agric. Food Chem., 1995, 43, 4, 984-988, https://doi.org/10.1021/jf00052a027
. [all data]
Shimoda, Nakada, et al., 1997
Shimoda, M.; Nakada, Y.; Nakashima, M.; Osajima, Y.,
Quantitative comparison of volatile flavor compounds in deep-roasted and light-roasted sesame seed oil,
J. Agric. Food Chem., 1997, 45, 8, 3193-3196, https://doi.org/10.1021/jf970172o
. [all data]
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,
J. Agric. Food Chem., 1996, 44, 12, 3909-3912, https://doi.org/10.1021/jf960115f
. [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]
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]
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]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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