3-Pentanone, 2,4-dimethyl-

• Formula: C₇H₁₄O
• Molecular weight: 114.1855
• IUPAC Standard InChI: InChI=1S/C7H14O/c1-5(2)7(8)6(3)4/h5-6H,1-4H3 Copy

  
• IUPAC Standard InChIKey: HXVNBWAKAOHACI-UHFFFAOYSA-N Copy
• CAS Registry Number: 565-80-0
• 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: Diisopropyl ketone; Isobutyrone; Isopropyl ketone; 2,4-Dimethyl-3-pentanone; 2,4-Dimethylpentan-3-one; (iso-C3H7)2CO; 2,4-dimethyl-3-pentanone (diisopropyl ketone)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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  • Gas Phase Kinetics Database
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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 as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₇H₁₃O^- +  =

By formula: C₇H₁₃O^- + H⁺ = C₇H₁₄O

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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Kovats' RI, polar column, isothermal

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

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

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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]

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]

Mouvier and Hernandez, 1975
Mouvier, G.; Hernandez, R., Ionisation and appearance potentials of alkylketones, Org. Mass Spectrom., 1975, 10, 958. [all data]

Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J., The effect of alkyl substitution on ionisation potential, J. Chem. Soc., 1971, (B), 790. [all data]

Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I., Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals, J. Am. Chem. Soc., 1977, 99, 7203. [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]

Héberger, Görgényi, et al., 2002
Héberger, K.; Görgényi, M.; Kowalska, T., Temperature dependence of Kováts indices in gas chromatography revisited, J. Chromatogr. A, 2002, 973, 1-2, 135-142, https://doi.org/10.1016/S0021-9673(02)01198-6 . [all data]

Héberger and Görgényi, 1999
Héberger, K.; Görgényi, M., Principal component analysis of Kováts indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 1999, 845, 1-2, 21-31, https://doi.org/10.1016/S0021-9673(99)00323-4 . [all data]

Fernández-Sánchez, García-Domínguez, et al., 1987
Fernández-Sánchez, E.; García-Domínguez, J.A.; García-Muñoz, J.; Menéndez, V.; Molera, M.J., Prediction of gas chromatographic retention indices on binary mixed stationary phases, An. Quim., 1987, 83, 56-58. [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745 . [all data]

Menut, Molangui, et al., 1995
Menut, C.; Molangui, T.; Lamaty, G.E.; Bessière, J.-M.; Habimana, J.-B. Menut.; Molangui, T.; Lamaty, G.E.; Bessière, J.-M.; Habimana, J.-B., Aromatic plants of tropical Central Africa. 23. Chemical composition of leaf essential oils of Eucalyptus goniocalyx F. Muell. and Eucalyptus patens Benth. grown in Rwanda, J. Agric. Food Chem., 1995, 43, 5, 1267-1271, https://doi.org/10.1021/jf00053a026 . [all data]

Solina, Baumgartner, et al., 2005
Solina, M.; Baumgartner, P.; Johnson, R.L.; Whitfield, F.B., Volatile aroma components of soy protein isolate and acid-hydrolysed vegetable protein, Food Chem., 2005, 90, 4, 861-873, https://doi.org/10.1016/j.foodchem.2004.06.005 . [all data]

Ngassoum, Ousmaila, et al., 2004
Ngassoum, M.B.; Ousmaila, H.; Ngamo, L.T.; Maponmetsem, P.M.; Jirovetz, L.; Buchbauer, G., Aroma compounds of essential oils of two varieties of the spice plant Ocimum canum Sims from northern Cameroon, J. Food Comp. Anal., 2004, 17, 2, 197-204, https://doi.org/10.1016/j.jfca.2003.08.002 . [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]

Kotowska, Zalikowski, et al., 2012
Kotowska, U.; Zalikowski, M.; Isidorov, V.A., HS-SPME/GC-MS analysis of volatile and semi-volatile organic compounds emitted from municipal sewage sludge, Environ. Monit. Asses., 2012, 184, 5, 2893-2907, https://doi.org/10.1007/s10661-011-2158-8 . [all data]

Anker, Jurs, et al., 1990
Anker, L.S.; Jurs, P.C.; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. Chem., 1990, 62, 24, 2676-2684, https://doi.org/10.1021/ac00223a006 . [all data]

Chen and Feng, 2007
Chen, Y.; Feng, C., QSPR study on gas chromatography retention index of some organic pollutants, Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [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]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [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]

Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C., Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar, J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110 . [all data]

Mihara, Tateba, et al., 1988
Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., The volatile components of Chinese quince (Pseudocydonia sinensis Schneid) in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 537-550. [all data]

Mihara, Tateba, et al., 1987
Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., Volatile components of Chinese quince (Pseudocydonia sinensis Schneid), J. Agric. Food Chem., 1987, 35, 4, 532-537, https://doi.org/10.1021/jf00076a023 . [all data]

Gyawali and Kim, 2012
Gyawali, R.; Kim, K.-S., Bioactive volatile compounds of three medicinal plants from Nepal, Kathmandu Univ. J. Sci., Engineering and Technol., 2012, 8, 1, 51-62. [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]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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