2,4-Dimethylfuran
- Formula: C6H8O
- Molecular weight: 96.1271
- IUPAC Standard InChIKey: AABTWRKUKUPMJG-UHFFFAOYSA-N
- CAS Registry Number: 3710-43-8
- 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: Furan, 2,4-dimethyl-
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Gas phase ion energetics data
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C6H8O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 213.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 206.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.39 ± 0.10 | EI | Grutzmacher and Spilker, 1985 | LBLHLM |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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 | SE-30 | 100. | 704. | Golovnya, Misharina, et al., 1992 | 60. m/0.25 mm/0.50 μm, He |
Capillary | OV-101 | 100. | 706. | Golovnya, Misharina, et al., 1992 | 60. m/0.25 mm/0.50 μm, He |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 40M | 100. | 949. | Golovnya, Misharina, et al., 1992 | 50. m/0.32 mm/0.25 μm, He |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 695. | Golovnya, Misharina, et al., 1992 | 60. m/0.25 mm/0.50 μm, He, 4. K/min; Tstart: 50. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 735. | Elmore, Mottram, et al., 1999 | 50. m/0.32 mm/0.5 μm, He; Program: 0C(5min) => 40C/min => 40C(2min) => 4C/min => 280C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 40M | 936. | Golovnya, Misharina, et al., 1992 | 50. m/0.32 mm/0.25 μm, He, 4. K/min; Tstart: 50. C; Tend: 200. C |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax | 943. | Baltes w. and Bochmann G., 1987 | Column diameter: 0.3 mm; Program: not specified |
Capillary | Carbowax | 944. | Baltes w. and Bochmann G., 1987 | Column diameter: 0.3 mm; Program: not specified |
Capillary | Carbowax | 945. | Baltes w. and Bochmann G., 1987 | Column diameter: 0.3 mm; Program: not specified |
Capillary | Carbowax | 945. | Baltes w. and Bochmann G., 1987 | Column diameter: 0.3 mm; Program: not specified |
Capillary | Carbowax | 948. | Baltes w. and Bochmann G., 1987 | Column diameter: 0.3 mm; Program: not specified |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 703. | Barrefors, Björkqvist, et al., 1996 | 50. m/0.32 mm/1. μm, 3. K/min; Tstart: -30. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5 | 729. | Shivashankar, Roy, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C (2 min) 3 0C/min -> 200 0C (3 min) 10 0C/min -> 220 0C (8 min) |
Capillary | VF-5 | 708. | Shivashankar, Roy, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | FFAP | 945. | Budryn, Nebesny, et al., 2011 | 30. m/0.32 mm/0.50 μm, Nitrogen, 35. C @ 5. min, 4. K/min, 250. C @ 45. min |
Capillary | FFAP | 945. | Nebesny, Budryn, et al., 2007 | 30. m/0.32 mm/0.5 μm, N2, 35. C @ 5. min, 4. K/min, 320. C @ 45. min |
Capillary | RTX-Wax | 978. | Galindo-Cuspinera, Lubran, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 5. K/min, 180. C @ 20. min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 949. | Narain, Galvao, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min) |
Capillary | HP-Innowax | 954. | Narain, Galvao, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min) |
Capillary | DB-Wax | 958. | Gyawalia, Seo, et al., 2006 | 60. m/0.2 mm/0.25 μm, He; Program: 40C(3min) => 2C/min => 150C => 4C/min => 220C(20min) => 5C/min => 230C |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
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]
Grutzmacher and Spilker, 1985
Grutzmacher, H.-F.; Spilker, R.,
Loss of CO from 4,6-dimethyl-2-pyrone and 2,6-dimethyl-4-pyrone radical cations,
Org. Mass Spectrom., 1985, 20, 258. [all data]
Golovnya, Misharina, et al., 1992
Golovnya, R.V.; Misharina, T.A.; Beletskiy, I.V.,
Influence of methyl, formyl and acetyl groups on retention of substituted furans and thiophenes in capillary GC,
Chromatographia, 1992, 34, 9/10, 497-501, https://doi.org/10.1007/BF02290243
. [all data]
Elmore, Mottram, et al., 1999
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
Effect of the polyunsaturated fatty acid composition of beef muscle on the profile of aroma volatiles,
J. Agric. Food Chem., 1999, 47, 4, 1619-1625, https://doi.org/10.1021/jf980718m
. [all data]
Baltes w. and Bochmann G., 1987
Baltes w.; Bochmann G.,
Model reactions on roast aroma formation. II. Mass spectrometric identification of furans and furanones from the reaction of serine and threonine with sucrose under the conditions of coffee roasting,
Z. Lebensm. Unters. Forsch., 1987, 184, 179-186. [all data]
Barrefors, Björkqvist, et al., 1996
Barrefors, G.; Björkqvist, S.; Ramnäs, O.; Petersson, G.,
Gas chromatographic separation of volatile furans from birchwood smoke,
J. Chromatogr. A, 1996, 753, 1, 151-155, https://doi.org/10.1016/S0021-9673(96)00534-1
. [all data]
Shivashankar, Roy, et al., 2012
Shivashankar, S.; Roy, T.K.; Moorthy, P.N.R.,
Headspace solid phase micro extraction and GC/MS analysis of the volatile components in seed and cake of Azadirachta indica A. juss,
Chem. Bull. of Politechnika Univ. Timisoara, Romania, 2012, 57(71), 1, 1-6. [all data]
Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W.,
HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews,
Czech. J. Food Sci., 2011, 29, 2, 151-160. [all data]
Nebesny, Budryn, et al., 2007
Nebesny, E.; Budryn, G.; Kula, J.; Majda, T.,
The effect of roasting method on headspace composition of robusta coffee bean aroma,
Eur. Food Res. Technol., 2007, 225, 1, 9-19, https://doi.org/10.1007/s00217-006-0375-0
. [all data]
Galindo-Cuspinera, Lubran, et al., 2002
Galindo-Cuspinera, V.; Lubran, M.B.; Rankin, S.A.,
Comparison of volatile compounds in water- and oil-soluble annatto (Bixa orellana L.) extracts,
J. Agric. Food Chem., 2002, 50, 7, 2010-2015, https://doi.org/10.1021/jf011325h
. [all data]
Narain, Galvao, et al., 2007
Narain, N.; Galvao, M.S.; Madruga, M.S.,
Volatile compounds captured through purge and trap technique in caja-umbu (Spondias sp.) fruits during maturation,
Food Chem., 2007, 102, 3, 726-731, https://doi.org/10.1016/j.foodchem.2006.06.003
. [all data]
Gyawalia, Seo, et al., 2006
Gyawalia, R.; Seo, H.-Y.; Lee, H.-J.; Song, H.-P.; Kim, D.-H.; Byun, M.-W.; Kim, K.-S.,
Effect of γ-irradiation on volatile compounds of dried Welsh onion (Allium fistulosum L.),
Radiat. Phys. Chem., 2006, 75, 2, 322-328, https://doi.org/10.1016/j.radphyschem.2005.07.001
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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