Thiazole, 4,5-dihydro-2-methyl-

Formula: C₄H₇NS
Molecular weight: 101.170
IUPAC Standard InChI: InChI=1S/C4H7NS/c1-4-5-2-3-6-4/h2-3H2,1H3
IUPAC Standard InChIKey: JUIQOABNSLTJSW-UHFFFAOYSA-N
CAS Registry Number: 2346-00-1
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: 2-Thiazoline, 2-methyl-; 2-Methyl-δ2-thiazoline; 2-Methyl-2-thiazoline; 2-Methylthiazoline; 4,5-Dihydro-2-methylthiazole
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Gas Chromatography

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	BP-5	876.	Whitfield and Mottram, 2001	4. K/min; Column length: 50. m; Column diameter: 0.32 mm; T_start: 60. C; T_end: 250. C

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	DB-5	856.	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

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Column type	Active phase	I	Reference	Comment
Capillary	DB-Wax	1303.	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	1312.	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

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Column type	Active phase	I	Reference	Comment
Capillary	DB-1	859.	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-5	883.	Macku and Shibamoto, 1991	He, 40. C @ 5. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; T_end: 160. C

Normal alkane RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	DB-5	880.	Didzbalis and Ho, 2001	60. m/0.25 mm/0.25 μm, Helium; Program: 35 0C (2 min) 30 0C/min -> 60 0C (1 min) 6 0C/min -> 250 0C (10 min)

Normal alkane RI, polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	DB-Wax	1292.	Horiuchi, Umano, et al., 1998	60. m/0.25 mm/1. μm, He, 3. K/min, 200. C @ 40. min; T_start: 50. C
Capillary	DB-Wax	1299.	Umano, Hagi, et al., 1995	He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; T_end: 200. C

References

Go To: Top, Gas Chromatography, Notes

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]

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]

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., 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]

Macku and Shibamoto, 1991
Macku, C.; Shibamoto, T., Volatile sulfur-containing compounds generated from the thermal interaction of corn oil and cysteine, J. Agric. Food Chem., 1991, 39, 11, 1987-1989, https://doi.org/10.1021/jf00011a021 . [all data]

Didzbalis and Ho, 2001
Didzbalis, J.; Ho, C.-T., Analysis of low molecular weight aldehydes formed during the Mallard reaction, ACS Symposium Series, 2001, 794, 196-107. [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]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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