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2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl-


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.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-6745
NIST MS number 235552

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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, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-51683.Lima, Barros, et al., 200530. m/0.25 mm/0.1 «mu»m, He; Program: 35C => 4C/min => 180C => 20C/min => 280C

Kovats' RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax2373.Nébié, Yaméogo, et al., 200430. m/0.25 mm/0.25 «mu»m, 2. K/min, 240. C @ 40. min; Tstart: 40. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-11634.Xu, Tang, et al., 201030. m/0.25 mm/0.25 «mu»m, Helium, 50. C @ 2. min, 4. K/min, 220. C @ 2. min
CapillaryHP-5 MS1656.Capetanos, Saroglou, et al., 200730. m/0.32 mm/0.25 «mu»m, Helium, 60. C @ 5. min, 4. K/min; Tend: 280. C
CapillaryDB-51659.Lopez Arze, Collin, et al., 200430. m/0.25 mm/0.25 «mu»m, 40. C @ 2. min, 2. K/min, 210. C @ 33. min

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

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-11659.Xu, Tang, et al., 201030. m/0.25 mm/0.25 «mu»m, Helium; Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillarySupelcowax-102412.Lopez Arze, Collin, et al., 200430. m/0.25 mm/0.25 «mu»m, 40. C @ 2. min, 2. K/min, 210. C @ 33. min
CapillaryCarbowax 20M2396.Kasali, Winterhalter, et al., 200230. m/0.25 mm/0.325 «mu»m, He, 4. K/min, 215. C @ 20. min; Tstart: 50. C

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.

Lima, Barros, et al., 2005
Lima, M.A.S.; Barros, M.C.P.; Pinheiro, S.M.; do Nascimento, R.F.; de Abreu Matos, F.J.; Silveira, E.R., Volatile compositions of two Asteraceae from the north-east of Brazil: Ageratum conyzoides and Acritopappus confertus (Eupatorieae), Flavour Fragr. J., 2005, 20, 6, 559-561, https://doi.org/10.1002/ffj.1483 . [all data]

Nébié, Yaméogo, et al., 2004
Nébié, R.H.C.; Yaméogo, R.T.; Bélanger, A.; Sib, F.S., Composition chimique des huiles essentielles d'Ageratum conyzoïdes du Burkina Faso, C.R. Chim., 2004, 7, 10-11, 1019-1022, https://doi.org/10.1016/j.crci.2003.12.027 . [all data]

Xu, Tang, et al., 2010
Xu, X.; Tang, Z.; Liang, Y., Comparative analysis of plant essential oils by GC-MS coupled with integrated chemometric resolution methods, Anal. Methods, 2010, 2, 4, 359-367, https://doi.org/10.1039/b9ay00213h . [all data]

Capetanos, Saroglou, et al., 2007
Capetanos, C.; Saroglou, V.; Marin, P.D.; Simic, A.; Skaltsa, H.D., Essential oil snalysis of two endemic Eringium species from Serbia, J. Serb. Chem. Soc., 2007, 72, 10, 961-965, https://doi.org/10.2298/JSC0710961C . [all data]

Lopez Arze, Collin, et al., 2004
Lopez Arze, J.B.; Collin, G.; Garneau, F.-X.; Jean, F.-I.; Gagnon, H., Essential oils from Bolivia. II. Asteraceae: Ophryosporus heptanthus (Wedd.) H. Rob. et King, J. Essent. Oil Res., 2004, 16, 4, 374-376, https://doi.org/10.1080/10412905.2004.9698747 . [all data]

Kasali, Winterhalter, et al., 2002
Kasali, A.A.; Winterhalter, P.; Adio, A.M.; Knapp, H.; Bonnlander, B., Chromenes in Ageratum conyzoides L., Flavour Fragr. J., 2002, 17, 4, 247-250, https://doi.org/10.1002/ffj.1099 . [all data]


Notes

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