Thiazole, 2,5-dimethyl-
- Formula: C5H7NS
- Molecular weight: 113.181
- IUPAC Standard InChIKey: WVUHHPQQQLBMOE-UHFFFAOYSA-N
- CAS Registry Number: 4175-66-0
- 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: 2,5-Dimethylthiazole; 2,5-Dimethyl-1,3-thiazole
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Mass spectrum (electron ionization)
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: 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 | TNO Volatile Compounds in Food - Chemical Concepts |
NIST MS number | 249122 |
Gas Chromatography
Go To: Top, 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. | 922. | Golovnya, Shenderyuk, et al., 1991 | He; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | OV-101 | 110. | 887. | Golovnya, Zhuravleva, et al., 1991 | 50. m/0.30 mm/0.4 μm, He |
Capillary | OV-101 | 110. | 922. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Packed | Apiezon L | 100. | 908. | 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. | 1324. | Golovnya, Shenderyuk, et al., 1991 | He; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | PEG-40M | 110. | 1291. | Golovnya, Zhuravleva, et al., 1991 | 50. m/0.30 mm/0.4 μm, He |
Capillary | PEG-40M | 110. | 1324. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Kovats' RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1354. | Yeo and Shibamoto, 1991 | He, 60. C @ 4. min, 4. K/min, 180. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 934. | 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 | BP-5 | 915. | Whitfield and Mottram, 2001 | 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 60. C; Tend: 250. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PEG-20M | 1326. | 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 | 1326. | Shimoda, Shiratsuchi, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apieson L | 100. | 908. | Golovnya, Zhuravleva, et al., 1987 | Argon, Chromosorb G AW (80-100 mesh); Column length: 2.4 m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 868. | Yu, Wu, et al., 1994 | 60. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
Capillary | DB-1 | 899. | Yu, Wu, et al., 1994 | 60. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1347. | Eiserich, Macku, et al., 1992 | He, 60. C @ 4. min, 4. K/min, 180. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm |
Capillary | Carbowax 20M | 1365. | 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 | 1368. | Shibamoto and Russell, 1977 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
References
Go To: Top, 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.
Golovnya, Shenderyuk, et al., 1991
Golovnya, R.V.; Shenderyuk, V.V.; Zhuravleva, I.L.; Yakush, E.V.,
Analogy of sorption properties of alkylthiazoles and alkyl-oxazoles and its use for the calculation of retention indexes in capillary gas chromatography,
Zh. Anal. Khim., 1991, 46, 2, 313-319. [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]
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,
Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.), 1990, 6, 6, 1204-1210, https://doi.org/10.1007/BF00962384
. [all data]
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,
Zh. Anal. Khim., 1986, 41, 884-889. [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]
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
. [all data]
Whitfield and Mottram, 2001
Whitfield, F.B.; Mottram, D.S.,
Heterocyclic volatiles formed by heating cysteine or hydrogen sulfide with 4-hydroxy-5-methyl-3(2H)-furanone at pH 6.5,
J. Agric. Food Chem., 2001, 49, 2, 816-822, https://doi.org/10.1021/jf0008644
. [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]
Golovnya, Zhuravleva, et al., 1987
Golovnya, R.V.; Zhuravleva, I.L.; Yakush, E.V.,
Calculation of the thermidynamic values of alkylthiazoles from the Kovats retention indices on the basis on the non-linear additivity principle,
Chromatographia, 1987, 23, 8, 595-598, https://doi.org/10.1007/BF02324871
. [all data]
Yu, Wu, et al., 1994
Yu, T.-H.; Wu, C.-M.; Ho, C.-T.,
Volatile compounds generated from the thermal interaction of glucose and alliin or deoxyalliin in propylene glycol,
Food Chem., 1994, 51, 3, 281-286, https://doi.org/10.1016/0308-8146(94)90028-0
. [all data]
Eiserich, Macku, et al., 1992
Eiserich, J.P.; Macku, C.; Shibamoto, T.,
Volatile antioxidants formed from an L-cysteine/D-glucose Maillard model system,
J. Agric. Food Chem., 1992, 40, 10, 1982-1988, https://doi.org/10.1021/jf00022a050
. [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, Mass spectrum (electron ionization), Gas Chromatography, References
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