Thiazole, 2,4-dimethyl-

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Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus222.84KN/AMeyer and Metzger, 1966Uncertainty assigned by TRC = 0.05 K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
344.70.066Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
10.0372.AStephenson and Malanowski, 1987Based on data from 357. to 421. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.69222.9Meyer and Metzger, 1966AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

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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

Spectrum

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Mass 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.
NIST MS number 1730

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Zaionts, et al., 1972
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. 16244
Instrument SF-4a

Gas Chromatography

Go To: Top, Phase change 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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-101110.887.Zhuravleva, 200050. m/0.3 mm/0.4 μm, He
CapillaryOV-101110.887.Golovnya, Shenderyuk, et al., 1991He; Column length: 50. m; Column diameter: 0.30 mm
CapillaryOV-101110.887.Zhuravleva, Shenderyuk, et al., 199050. m/0.30 mm/0.40 μm, He
PackedApiezon L100.883.Yakush, Golovnya, et al., 1986Chromosorb GAW; Column length: 2.5 m

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M110.1291.Golovnya, Shenderyuk, et al., 1991He; Column length: 50. m; Column diameter: 0.30 mm
CapillaryPEG-40M110.1291.Zhuravleva, Shenderyuk, et al., 199050. m/0.30 mm/0.40 μm, He

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

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Column type Active phase I Reference Comment
CapillaryDB-1857.Rochat S., de Saint Laumer J.Y., et al., 200720. m/0.18 mm/0.18 μm, 60. C @ 3. min, 8. K/min, 220. C @ 5. min
CapillaryDB-1858.Rochat S., de Saint Laumer J.Y., et al., 200720. m/0.18 mm/0.18 μm, 60. C @ 3. min, 8. K/min, 220. C @ 5. min
CapillaryDB-1860.Kim, 200160. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C
CapillaryBP-5883.Whitfield and Mottram, 20014. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 60. C; Tend: 250. C
CapillaryDB-1861.Specht and Baltes, 199460. m/0.25 mm/0.25 μm, 35. C @ 10. min, 2. K/min, 280. C @ 10. min

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

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-5892.Mottram and Whitfield, 1995He; 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

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Column type Active phase I Reference Comment
CapillaryDB-Wax1282.Kim, 200160. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min
CapillaryPEG-20M1285.Shimoda, Nakada, et al., 199760. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C
CapillaryDB-Wax1285.Shimoda, Shiratsuchi, et al., 199660. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-1860.Yu, Wu, et al., 199460. m/0.25 mm/1.0 μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min
CapillaryDB-1868.Yu, Wu, et al., 1994, 260. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min
CapillaryDB-1899.Yu, Wu, et al., 1994, 260. 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

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-1857.Chantreau, Rochat, et al., 200620. m/0.18 mm/0.18 μm; Program: not specified
CapillaryDB-1858.Chantreau, Rochat, et al., 200620. m/0.18 mm/0.18 μm; Program: not specified
CapillarySE-30869.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-Innowax1293.Puvipirom and Chaisei, 201215. m/0.32 mm/0.50 μm, Helium, 3. K/min; Tstart: 40. C; Tend: 250. C
CapillaryDB-Wax1283.Umano, Hagi, et al., 1995He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C
CapillaryDB-Wax1268.Eiserich, Macku, et al., 1992He, 60. C @ 4. min, 4. K/min, 180. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm
CapillaryCarbowax 20M1256.Shibamoto and Russell, 19771. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C
CapillaryCarbowax 20M1258.Shibamoto and Russell, 19771. 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

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1271.Vinogradov, 2004Program: not specified

References

Go To: Top, Phase change 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.

Meyer and Metzger, 1966
Meyer, R.; Metzger, J., C. R. Acad. Sci. Paris, Ser. C, 1966, 263, 1333. [all data]

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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Zaionts, et al., 1972
Zaionts, V.I., et al., Khim. Geterosikl. Soedin., 1972, 8, 1471. [all data]

Zhuravleva, 2000
Zhuravleva, I.L., Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography, Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 325-328, https://doi.org/10.1007/BF02494682 . [all data]

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]

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]

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]

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]

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]

Specht and Baltes, 1994
Specht, K.; Baltes, W., Identification of volatile flavor compounds with high aroma values from shallow-fried beef, J. Agric. Food Chem., 1994, 42, 10, 2246-2253, https://doi.org/10.1021/jf00046a031 . [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]

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.; 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]

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]

Puvipirom and Chaisei, 2012
Puvipirom, J.; Chaisei, S., Contribution of roasted grains and seeds in aroma of oleang (Thai coffee drink), Int. Food Res. J., 2012, 19, 2, 583-588. [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]

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, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References