2-Acetyl-3-methylthiophene

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap13.6 ± 0.57kcal/molCRibeiro da Silva and Santos, 2008 

IR Spectrum

Go To: Top, Phase change data, Mass spectrum (electron ionization), 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

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

IR spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Owner SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin EPA-IR VAPOR PHASE LIBRARY
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Phase change data, IR 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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 NIST Mass Spectrometry Data Center, 1994
NIST MS number 136230

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Phase change data, IR Spectrum, 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

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

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51161.Madruga and Mottram, 199830. m/0.32 mm/1. μm, 60. C @ 5. min, 4. K/min, 250. C @ 20. min
CapillaryDB-11137.Zhang and Ho, 199160. m/0.25 mm/0.25 μm, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C

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

View large format table.

Column type Active phase I Reference Comment
CapillaryCP-WAX 57CB1760.Whitfield, Mottram, et al., 1988He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm
CapillaryCP-WAX 57CB1761.Whitfield, Mottram, et al., 1988He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm

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

View large format table.

Column type Active phase I Reference Comment
CapillaryCP-Wax 52CB1762.Madruga and Mottram, 199850. m/0.32 mm/0.21 μm; Program: 0C(5min) => fast => 60C(5min) => 4C/min => 220C(20min)

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-11186.Yu, Wu, et al., 199460. m/0.25 mm/1.0 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
CapillaryPolydimethyl siloxane1194.Xu, He, et al., 2010Program: 40 0C 20 0C/min -> 60 0C (5 min) 4 0C/min -> 250 0C

References

Go To: Top, Phase change data, IR Spectrum, 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.

Ribeiro da Silva and Santos, 2008
Ribeiro da Silva, Manuel A.V.; Santos, Ana Filipa L.O.M., Experimental thermochemical study of the three methyl substituted 2-acetylthiophene isomers, The Journal of Chemical Thermodynamics, 2008, 40, 8, 1309-1313, https://doi.org/10.1016/j.jct.2008.03.008 . [all data]

Madruga and Mottram, 1998
Madruga, M.S.; Mottram, D.S., The effect of pH on the formation of volatile compounds produced by heating a model system containing 5'-imp and cysteine, J. Braz. Chem. Soc., 1998, 9, 3, 261-271, https://doi.org/10.1590/S0103-50531998000300010 . [all data]

Zhang and Ho, 1991
Zhang, Y.; Ho, C.-T., Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione, J. Agric. Food Chem., 1991, 39, 4, 760-763, https://doi.org/10.1021/jf00004a029 . [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., 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]

Xu, He, et al., 2010
Xu, H.; He, W.; Liu, X.; Gao, Y., Effect of pressure on the Maillard reaction between ribose and cysteine in supercritical carbon dioxide, Czech J. Food Sci., 2010, 28, 3, 192-201. [all data]


Notes

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References