2-Pentanol, 4-methyl-

• Formula: C₆H₁₄O
• Molecular weight: 102.1748
• IUPAC Standard InChI: InChI=1S/C6H14O/c1-5(2)4-6(3)7/h5-7H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: WVYWICLMDOOCFB-UHFFFAOYSA-N Copy
• CAS Registry Number: 108-11-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Isobutylmethylcarbinol; Isobutylmethylmethanol; Methylisobutylcarbinol; MAOH; MIBC; MIC; 2-Methyl-4-Pentanol; 3-MIC; 4-Methyl-2-pentanol; 1,3-Dimethylbutanol; Methyl amyl alcohol; 4-Methylpentan-2-ol; Alcool methyl amylique; Metilamil alcohol; 4-Methylpentanol-2; 4-Metilpentan-2-olo; Methyl-isobutylkarbinol; 4-Pentanol, 2-methyl-; UN 2053; 4-Methyl-2-pentyl alcohol; 1,3-Dimethyl-1-butanol; (.+/-.)-4-Methyl-2-pentanol; 4-Methyl-2-amyl alcohol; dl-Methylisobutylcarbinol; NSC 9384
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• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
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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: Donald R. Burgess, Jr.

Reaction 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₆H₁₃O^- +  =

By formula: C₆H₁₃O^- + H⁺ = C₆H₁₄O

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 as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Appearance energy determinations

De-protonation reactions

C₆H₁₃O^- +  =

By formula: C₆H₁₃O^- + H⁺ = C₆H₁₄O

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

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, polar column, isothermal

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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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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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.

Sachek, Peshchenko, et al., 1974
Sachek, A.I.; Peshchenko, A.D.; Andreevskii, D.N., Heats of formation of secondary pentanols and hexanols, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 617. [all data]

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Boneva, S., Gas Chromatographic Retention Indices for C₆ Alkanols on OV-101 and Carbowax 20M Capillary Columns, Chromatographia, 1987, 23, 1, 50-52, https://doi.org/10.1007/BF02310419 . [all data]

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Vichi, S.; Castellote, A.I.; Pizzale, L.; Conte, L.S.; Buxaderas, S.; López-Tamames, E., Analysis of virgin olive oil volatile compounds by headspace solid-phase microextraction coupled to gas chromatography with mass spectrometric and flame ionization detection, J. Chromatogr. A, 2003, 983, 1-2, 19-33, https://doi.org/10.1016/S0021-9673(02)01691-6 . [all data]

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Vichi, S.; Pizzale, L.; Conte, L.S.; Buxaderas, S.; López-Tamames, E., Solid-phase microextraction in the analysis of virgin olive oil volatile fraction: characterization of virgin olive oils from two distinct geographical areas of Northern Italy, J. Agric. Food Chem., 2003, 51, 22, 6572-6577, https://doi.org/10.1021/jf030269c . [all data]

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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]

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Turchimi, Mentasti, et al., 2004
Turchimi, G.N.; Mentasti, T.; Carpino, F.; Panseri, S.; Moretti, V.M.; Valfre, F., Effects of dietary lipid sources on flavour volatile compounds of brown trout (Salmo trurra L.) fillet, J. Appl. Ichtyol., 2004, 20, 1, 71-75, https://doi.org/10.1046/j.0175-8659.2003.00522.x . [all data]

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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]

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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]

Umano, Nakahara, et al., 1999
Umano, K.; Nakahara, K.; Shoji, A.; Shibamoto, T., Aroma chemicals isolated and identified from leaves of aloe arborescens Mill. Var. natalensis Berger, J. Agric. Food Chem., 1999, 47, 9, 3702-3705, https://doi.org/10.1021/jf990116i . [all data]

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Bignell, C.M.; Dunlop, P.J.; Brophy, J.J., Volatile leaf oils of some south-western and southern Australian speices of the genus Eucalyptus (Series I). Part XVIII. A. Subgenus monocalyptus. B. Subgenus Symphyomyrtus: (i) section Guilfoyleanae; (ii) section bisectaria, series accedentes, series occidentales, series levispermae, series loxophlebae, series macrocarpae, series orbifoliae, series calycogonae; (iii) section dumaria, series incrassatae and series ovulares, Flavour Fragr. J., 1997, 12, 423-432. [all data]

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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]

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Lopez, M.L.; Villatoro, C.; Fuentes, T.; Graell, J.; Lara, I.; Echeverria, G., Volatile compounds, quality parameters and consumer acceptance of 'Pink Lady®' apples stored in different conditions, Postharvest Biol. Technol., 2007, 43, 1, 55-66, https://doi.org/10.1016/j.postharvbio.2006.07.009 . [all data]

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Echeverria, G.; Fuentes, M.T.; Graell, J.; Lopez, M.L., Relationships between volatile production, fruit quality and sensory evaluation of Fuji apples stored in different atmospheres by means of multivariate analysis, J. Sci. Food Agric., 2003, 84, 1, 5-20, https://doi.org/10.1002/jsfa.1554 . [all data]

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Lopez, M.L.; Lavilla, M.T.; Recasens, I.; Graell, J.; Vendrell, M., Changes in aroma quality of 'Golden Delicious' apples after storage at different oxygen and carbon dioxide concentrations, J. Sci. Food Agric., 2000, 80, 3, 311-324, https://doi.org/10.1002/1097-0010(200002)80:3<311::AID-JSFA519>3.0.CO;2-F . [all data]

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López, M.L.; Lavilla, T.; Recasens, I.; Riba, M.; Vendrell, M., Influence of different oxygen and carbon dioxide concentrations during storage on production of volatile compounds by Starking delicious apples, J. Agric. Food Chem., 1998, 46, 2, 634-643, https://doi.org/10.1021/jf9608938 . [all data]

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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, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  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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