2H-1-Benzopyran-2-one, 7-methyl-


Phase change data

Go To: Top, 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: Robert L. Brown and Stephen E. Stein

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference
444.70.015Weast and Grasselli, 1989

Mass spectrum (electron ionization)

Go To: Top, Phase change data, 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 RADIAN CORP
NIST MS number 70406

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, 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

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryLM-1170.1545.Soares, Monache, et al., 199925. m/0.25 mm/0.25 μm, H2
CapillaryLM-1190.1562.Soares, Monache, et al., 199925. m/0.25 mm/0.25 μm, H2
CapillaryLM-1210.1574.Soares, Monache, et al., 199925. m/0.25 mm/0.25 μm, H2
CapillaryCBP-5170.1586.Soares, Monache, et al., 199925. m/0.25 mm/0.22 μm, H2

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

View large format table.

Column type Active phase I Reference Comment
CapillarySE-301553.Vinogradov, 2004Program: not specified
CapillaryOV-1011553.Shibamoto, 1987Program: not specified

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M2620.Vinogradov, 2004Program: not specified
CapillaryCarbowax 20M2620.Shibamoto, 1987Program: not specified

References

Go To: Top, Phase change data, 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.

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]

Soares, Monache, et al., 1999
Soares, M.F.; Monache, F.D.; Heinzen, V.E.F.; Yunes, R.A., Prediction of gas chromatographic retention indices of coumarins, J. Braz. Chem. Soc., 1999, 10, 3, 189-196, https://doi.org/10.1590/S0103-50531999000300006 . [all data]

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

Shibamoto, 1987
Shibamoto, T., Retention Indices in Essential Oil Analysis in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s)., Hutchig Verlag, Heidelberg, New York, 1987, 259-274. [all data]


Notes

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