2-Ethyl-4,5-dimethyl oxazole
- Formula: C7H11NO
- Molecular weight: 125.1683
- IUPAC Standard InChIKey: LCYOFVYHDBWYSI-UHFFFAOYSA-N
- CAS Registry Number: 53833-30-0
- 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: Oxazole, 2-ethyl-4,5-dimethyl-
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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 | 249547 |
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. | 926. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Capillary | OV-101 | 110. | 926. | Golovnya, Shenderyuk, et al., 1989 | 40. m/0.28 mm/0.40 μm, He |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-40M | 110. | 1260. | Golovnya, Shenderyuk, et al., 1991 | He; Column length: 50. m; Column diameter: 0.30 mm |
Capillary | PEG-40M | 110. | 1260. | Zhuravleva, Shenderyuk, et al., 1990 | 50. m/0.30 mm/0.40 μm, He |
Capillary | PEG-40M | 110. | 1260. | Golovnya, Shenderyuk, et al., 1989 | 47. m/0.30 mm/0.40 μm, He |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BP-5 | 925. | Whitfield and Mottram, 2001 | 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 60. C; Tend: 250. C |
Capillary | SPD-1 | 886. | Carlin, Jin, et al., 1986 | 50. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 914. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1243. | Vinogradov, 2004 | Program: not specified |
Capillary | Carbowax | 1254. | Baltes and Bochmann, 1987 | Program: not specified |
Capillary | Carbowax | 1254. | Baltes and Bochmann, 1987 | Program: not specified |
Capillary | Carbowax | 1255. | Baltes and Bochmann, 1987 | Program: 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
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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