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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Gas Chromatography
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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, 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
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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