3-Pentanone, 2-methyl-

• Formula: C₆H₁₂O
• Molecular weight: 100.1589
• IUPAC Standard InChI: InChI=1S/C6H12O/c1-4-6(7)5(2)3/h5H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: HYTRYEXINDDXJK-UHFFFAOYSA-N Copy
• CAS Registry Number: 565-69-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Ethyl isopropyl ketone; Isopropyl ethyl ketone; 2-Methyl-3-pentanone; 4-Methyl-3-pentanone; iso-C3H7COC2H5; 2-Methyl-3-pentanal; 2-Methylpentan-3-one
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - 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, isothermal

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Kovats' RI, non-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, polar column, temperature ramp

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Normal alkane RI, non-polar column, isothermal

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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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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.

Seller, 1970
Seller, P., Enthalpies of formation of some aliphatic branched ketones, J. Chem. Thermodyn., 1970, 2, 211-219. [all data]

Ambrose, Ellender, et al., 1975
Ambrose, D.; Ellender, J.H.; Lees, E.B.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of organic oxygen compounds XXXVIII. Vapour pressures of some aliphatic ketones, The Journal of Chemical Thermodynamics, 1975, 7, 5, 453-472, https://doi.org/10.1016/0021-9614(75)90275-X . [all data]

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]

Hernandez, Masclet, et al., 1977
Hernandez, R.; Masclet, P.; Mouvier, G., Spectroscopie de photoelectrons d'aldehydes et de cetones aliphatiques, J. Electron Spectrosc. Relat. Phenom., 1977, 10, 333. [all data]

Hu, Lu, et al., 2006
Hu, X.-F.; Lu, C.-H.; Yin, C.-S., Modeling Gas Chromatographic Retention Indices of Oxygen-containing Compounds by Novel Atom-type Topological Indices, Chinese Journal of Chemical Physics, 2006, 19, 3, 243-247, https://doi.org/10.1360/cjcp2006.19(3).243.5 . [all data]

Rembold, Wallner, et al., 1989
Rembold, H.; Wallner, P.; Nitz, S.; Kollmannsberger, H.; Drawert, F., Volatile components of chickpea (Cicer arietinum L.) seed, J. Agric. Food Chem., 1989, 37, 3, 659-662, https://doi.org/10.1021/jf00087a018 . [all data]

Bianchini, Tomi, et al., 2003
Bianchini, A.; Tomi, P.; Bernardini, A.F.; Morelli, I.; Flamini, G.; Cioni, P.L.; Usai, M.; Marchetti, M., A comparative study of volatile constituents of two Helichrysum italicum (Roth) Guss. Don Fil subspecies growing in Corsica (France), Tuscany and Sardinia (Italy), Flavour Fragr. J., 2003, 18, 6, 487-491, https://doi.org/10.1002/ffj.1231 . [all data]

Sun and Stremple, 2003
Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]

Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J., Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere, Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003 . [all data]

Bianchini, Tomi, et al., 2001
Bianchini, A.; Tomi, P.; Costa, J.; Bernardini, A.F., Composition of Helichrysum italicum (Roth) G. Don fil. subsp. italicum essential oils from Corsica (France), Flavour Fragr. J., 2001, 16, 1, 30-34, https://doi.org/10.1002/1099-1026(200101/02)16:1<30::AID-FFJ941>3.0.CO;2-F . [all data]

Amboni, Junkes, et al., 2002
Amboni, R.D.DeM.C.; Junkes, B. daS.; Yunes, R.A.; Heinzen, V.E.F., Quantitative structure-property relationships study of chromatographic retention indices and normal boiling points for oxo compounds using the semi-empirical topological method, J. Mol. Struct. (Theochem), 2002, 586, 1-3, 71-80, https://doi.org/10.1016/S0166-1280(02)00062-3 . [all data]

Zenkevich, Eliseenkov, et al., 2011
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N.; Zhakovskaya, Z.A.; Khoroshko, L.O., Gas chromatographic identification of chlorination products of aliphatic ketones, J. Chromatogr., 2011, 1218, 21, 3291-3299, https://doi.org/10.1016/j.chroma.2010.12.056 . [all data]

Costa, De Fina, et al., 2008
Costa, R.; De Fina, M.R.; Valentino, M.R.; Rustaiyan, A.; Dugo, P.; Dugo, G.; Mondello, L., An investigation on the volatile composition of some Artemisia species from Iran, Flavour Fragr. J., 2008, 24, 2, 75-82, https://doi.org/10.1002/ffj.1919 . [all data]

Feng and Mu, 2007
Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]

Blunden, Aneja, et al., 2005
Blunden, J.; Aneja, V.P.; Lonneman, W.A., Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina, Atm. Environ., 2005, 39, 36, 6707-6718, https://doi.org/10.1016/j.atmosenv.2005.03.053 . [all data]

Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]

Estrada and Gutierrez, 1999
Estrada, E.; Gutierrez, Y., Modeling chromatographic parameters by a novel graph theoretical sub-structural approach, J. Chromatogr. A, 1999, 858, 2, 187-199, https://doi.org/10.1016/S0021-9673(99)00808-0 . [all data]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]

Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F . [all data]

Girard and Lau, 1995
Girard, B.; Lau, O.L., Effect of maturity and storage on quality and volatile production of 'Jonagold' apples, Food Res. Int., 1995, 28, 5, 465-471, https://doi.org/10.1016/0963-9969(96)81393-7 . [all data]

Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A., Volatitle constituents of greem mate and roasted mate, J. Agric. Food Chem., 1991, 39, 7, 1275-1279, https://doi.org/10.1021/jf00007a016 . [all data]

Johanningsmeier and McFeeters, 2011
Johanningsmeier, S.D.; McFeeters, R.F., Detection of volatile spoilage metabolites in fermented cucumbers using nontargeted, comprehensive 2-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGCxTOFMS), J. Food Sci., 2011, 76, 1, c168-c177, https://doi.org/10.1111/j.1750-3841.2010.01918.x . [all data]

Cajka, Riddellova, et al., 2010
Cajka, T.; Riddellova, K.; Klimankova, E.; Carna, M.; Pudil, F.; Hajslova, J., Traceability of olive oil based on volatiles pattern and multivariante analysis, Food Chem., 2010, 121, 1, 282-289, https://doi.org/10.1016/j.foodchem.2009.12.011 . [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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