Benzofuran, 2-methyl-

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Gas phase ion energetics data

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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 evaluated by: Edward P. Hunter and Sharon G. Lias

Quantity Value Units Method Reference Comment
Proton affinity (review)205.4kcal/molN/AHunter and Lias, 1998 
Quantity Value Units Method Reference Comment
Gas basicity197.7kcal/molN/AHunter and Lias, 1998 

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

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

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Column type Active phase I Reference Comment
CapillaryBPX-51131.Ames, Guy, et al., 200150. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min
CapillaryDB-51109.Rostad and Pereira, 198630. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min

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

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Column type Active phase I Reference Comment
CapillaryCP-WAX 57CB1563.Baltes and Mevissen, 1988He, 50. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.24 mm; Tend: 210. C

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

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane with 5 % Ph groups1109.Robinson, Adams, et al., 2012Program: not specified
CapillaryPolydimethyl siloxane with 5 % Ph groups1117.Robinson, Adams, et al., 2012Program: not specified
CapillaryHP-51107.Zhao, Li, et al., 200830. m/0.25 mm/0.25 μm; Program: 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min)
CapillaryHP-51109.Zhao, Li, et al., 200830. m/0.25 mm/0.25 μm; Program: not specified
CapillaryDB-5 MS1123.Cajka, Hajslova, et al., 200730. m/0.25 mm/0.25 μm, Helium; Program: 45 0C (0.75 min) 10 0C/min -> 200 0C 30 0C/min -> 245 0C (1.25 min)

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryBP-201589.Pontes, Marques, et al., 200730. m/0.25 mm/0.25 μm, He; Program: 50C(1min) => 2.5C/min => 100C => 2C/min => 180C => 15C/min => 220C

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5180.Shao, Wang, et al., 200630. m/0.3 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 200. C @ 15. min
CapillaryDB-5184.50Rostad and Pereira, 198630. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems, J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m . [all data]

Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603 . [all data]

Baltes and Mevissen, 1988
Baltes, W.; Mevissen, L., Model reactions on roast aroma formation. VI. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting, Z. Lebensm. Unters. Forsch., 1988, 187, 3, 209-214, https://doi.org/10.1007/BF01043341 . [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G., EXtraction, preparation and identification of volatile compounds in Changyu XO brandy, Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0 . [all data]

Cajka, Hajslova, et al., 2007
Cajka, T.; Hajslova, J.; Cochran, J.; Holadova, K.; Klimankova, E., Solid phase microextraction - comprehensive two dimensional gas chromatography - time-of-flight mass spectrometry for the analysis of honey volatiles, J. Sep. Sci., 2007, 30, 4, 534-546, https://doi.org/10.1002/jssc.200600413 . [all data]

Pontes, Marques, et al., 2007
Pontes, M.; Marques, J.C.; Camara, J.S., Screening of volatile composition from Portuguese multifloral honeys using headspace solid-phase microextraction-gas chromatography-quadrupole mass spectrometry, Talanta, 2007, 74, 1, 91-103, https://doi.org/10.1016/j.talanta.2007.05.037 . [all data]

Shao, Wang, et al., 2006
Shao, X.; Wang, G.; Sun, Y.; Zhang, R.; Xie, K.; Liu, H., Determination and Characterization of the Pyrolysis Products of Isoprocarb by GC-MS, J. Chromatogr. Sci., 2006, 44, 3, 141-147, https://doi.org/10.1093/chromsci/44.3.141 . [all data]


Notes

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