2-Ethyl-4,5-dimethyl oxazole


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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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 249547

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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

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-101110.926.Zhuravleva, Shenderyuk, et al., 199050. m/0.30 mm/0.40 μm, He
CapillaryOV-101110.926.Golovnya, Shenderyuk, et al., 198940. m/0.28 mm/0.40 μm, He

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M110.1260.Golovnya, Shenderyuk, et al., 1991He; Column length: 50. m; Column diameter: 0.30 mm
CapillaryPEG-40M110.1260.Zhuravleva, Shenderyuk, et al., 199050. m/0.30 mm/0.40 μm, He
CapillaryPEG-40M110.1260.Golovnya, Shenderyuk, et al., 198947. 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
CapillaryBP-5925.Whitfield and Mottram, 20014. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 60. C; Tend: 250. C
CapillarySPD-1886.Carlin, Jin, et al., 198650. C @ 5. min, 2. K/min, 280. C @ 30. min; Column length: 60. m; Column diameter: 0.25 mm

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

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Column type Active phase I Reference Comment
CapillarySE-30914.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1243.Vinogradov, 2004Program: not specified
CapillaryCarbowax1254.Baltes and Bochmann, 1987Program: not specified
CapillaryCarbowax1254.Baltes and Bochmann, 1987Program: not specified
CapillaryCarbowax1255.Baltes and Bochmann, 1987Program: not specified

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.

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]

Golovnya, Shenderyuk, et al., 1989
Golovnya, R.V.; Shenderyuk, V.V.; Zhuravleva, I.L.; Yakush, E.V., Use of a principle of non-additivity of sorption energies for calculation of retention indices of alkyloxazoles in capillary chromatography, Zh. Anal. Khim., 1989, 44, 2037-2042. [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]

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]

Carlin, Jin, et al., 1986
Carlin, J.T.; Jin, Q.Z.; Huang, T.-C.; Ho, C.-T.; Chang, S.S., Identification of alkyloxazoles, in the volatile compounds from french-fried potatoes, J. Agric. Food Chem., 1986, 34, 4, 621-623, https://doi.org/10.1021/jf00070a008 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G., Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting, Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331 . [all data]


Notes

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