2(5H)-Furanone, 5-methyl-

• Formula: C₅H₆O₂
• Molecular weight: 98.0999
• IUPAC Standard InChI: InChI=1S/C5H6O2/c1-4-2-3-5(6)7-4/h2-4H,1H3 Copy

  
• IUPAC Standard InChIKey: BGLUXFNVVSVEET-UHFFFAOYSA-N Copy
• CAS Registry Number: 591-11-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: β-Angelica lactone; α,β-Angelica lactone; Δ1-Angelica lactone; γ-Methyl-δ,α,β-butenolide; 2-Penten-4-olide; 2-Pentenoic acid, 4-hydroxy-, γ-lactone; 4-Hydroxy-2-pentenoic acid γ-lactone; 5-Methyl-2(5H)-furanone; γ-Methyl-α,β-crotonolactone; 4-Hydroxypent-2-enoic acid lactone; 5-Methyl-5H-furan-2-one; 4-Methyl-2-buten-4-olide; NSC 655; 5-Methylfuran-2(5H)-one; 70428-45-4; 4-methyl-2-butenoic acid γ-lactone; 5-Methyl-2(5H)-furanone (β-angelica lactone); Pent-2-en-4-olide
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Phase change 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 compiled by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

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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Additional Data

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

Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, polar column, temperature ramp

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

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

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

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

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Normal alkane RI, non-polar column, temperature ramp

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

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Normal alkane RI, polar column, temperature ramp

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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.

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Thorstad, Undheim, et al., 1975
Thorstad, O.; Undheim, K.; Cederlund, B.; Hornfeldt, A.-B., Ionisation potentials in tautomeric analysis of 2-hydroxy derivatives of thiophenes, selenophenes, and furans, Acta Chem. Scand. Ser. B:, 1975, 29, 647. [all data]

Shibamoto, Kamiya, et al., 1981
Shibamoto, T.; Kamiya, Y.; Mihara, S., Isolation and identification of volatile compounds in cooked meat: sukiyaki, J. Agric. Food Chem., 1981, 29, 1, 57-63, https://doi.org/10.1021/jf00103a015 . [all data]

Deport, Ratel, et al., 2006
Deport, C.; Ratel, J.; Berdagué, J.-L.; Engel, E., Comprehensive combinatory standard correction: A calibration method for handling instrumental drifts of gas chromatography-mass spectrometry systems, J. Chromatogr. A, 2006, 1116, 1-2, 248-258, https://doi.org/10.1016/j.chroma.2006.03.092 . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [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]

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]

Harrison and Priest, 2009
Harrison, B.M.; Priest, F.G., Composition of peaks used in the preparation of malt for Scotch Whisky production - influence of geographical source and extraction depth, J. Agric. Food Chem., 2009, 57, 6, 2385-2391, https://doi.org/10.1021/jf803556y . [all data]

Jürgens and Dötterl, 2004
Jürgens, A.; Dötterl, S., Chemical composition of anther volatiles in Ranunculaceae: genera-specific profiles in Aemone, Aquilegia, Caltha, Pulsatilla, Ranunculus, and Trollius species, American Journal of Botany, 2004, 91, 12, 1969-1980, https://doi.org/10.3732/ajb.91.12.1969 . [all data]

Georgilopoulos and Gallois, 1988
Georgilopoulos, D.N.; Gallois, A.N., Flavour compounds of a commercial concentrated blackberry juice, Food Chem., 1988, 28, 2, 141-148, https://doi.org/10.1016/0308-8146(88)90143-4 . [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]

Horiuchi, Umano, et al., 1998
Horiuchi, M.; Umano, K.; Shibamoto, T., Analysis of volatile compounds formed from fish oil heated with cysteine and trimethylamine oxide, J. Agric. Food Chem., 1998, 46, 12, 5232-5237, https://doi.org/10.1021/jf980482m . [all data]

Vernin, Metzger, et al., 1992
Vernin, G.; Metzger, J.; Boniface, C.; Murello, M.-H.; Siouffi, A.; Larice, J.-L.; Parkanyi, C., Kinetics and thermal degradation of the fructose-methionine Amadori intermediates. GC-MS/SPECMA data bank identification of volatile aroma compounds, Carbohyd. Res., 1992, 230, 1, 15-29, https://doi.org/10.1016/S0008-6215(00)90510-X . [all data]

Notes

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• Symbols used in this document:
  

  ΔvapH

  Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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