1-Pentanol, 2-methyl-

• Formula: C₆H₁₄O
• Molecular weight: 102.1748
• IUPAC Standard InChI: InChI=1S/C6H14O/c1-3-4-6(2)5-7/h6-7H,3-5H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: PFNHSEQQEPMLNI-UHFFFAOYSA-N Copy
• CAS Registry Number: 105-30-6
• 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: 2-Methyl-1-pentanol; Isohexyl alcohol; 2-Methylpentanol-1; M.I.B.C.; 2-Methyl-2-propylethanol; 2-Methylpentanol; Methyl-2 pentanol-1; 2-methylpentan-1-ol
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
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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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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

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References

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

Benson, D'Arcy, et al., 1985
Benson, G.C.; D'Arcy, P.J.; Kumaran, M.K., Excess molar isobaric heat capacities of (2-methylpentan-1-ol + n-hexane) and (2-ethylbutan-1-ol + n-hexane) at 298.15 K, J. Chem. Thermodynam., 1985, 17, 501-504. [all data]

Bravo, Pintos, et al., 1984
Bravo, R.; Pintos, M.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Excess volumes excess heat capacities of some mixtures: (an isomer of hexanol + an n-alkane) at 298.15 K, J. Chem. Thermodynam., 1984, 16, 73-79. [all data]

Aicart, Kumaran, et al., 1983
Aicart, E.; Kumaran, M.K.; Halpin, C.J.; Benson, G.C., Ultrasonic speeds and isentropic compressibilities of 2-methylpentan-1-ol with hexane isomers at 298.15 K, J. Chem. Thermodynam., 1983, 15, 1189-1197. [all data]

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Hovorka, Lankelma, et al., 1938
Hovorka, Frank; Lankelma, Herman P.; Stanford, Spencer C., Thermodynamic Properties of the Hexyl Alcohols. II. Hexanols-1, -2, -3 and 2-Methylpentanol-1 and -4, J. Am. Chem. Soc., 1938, 60, 4, 820-827, https://doi.org/10.1021/ja01271a018 . [all data]

Boneva, 1987
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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Haken, J.K.; Nguyen, A.; Wainwright, M.S., Application of linear extrathermodynamic relationships to alcohols, aldehydes, ketones, amd ethoxy alcohols, J. Chromatogr., 1979, 179, 1, 75-85, https://doi.org/10.1016/S0021-9673(00)80658-5 . [all data]

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Pías and Gascó, 1975
Pías, J.B.; Gascó, L., GC Retention Data of Alcohols and Benzoyl Derivatives of Alcohols, J. Chromatogr. - Chrom. Data, 1975, d14-d16. [all data]

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Bonastre, J.; Grenier, P., Contribution à l'étude de la polarité des phases stationnaires en chromatographie gaz-liquide. III. Calcul des coefficients d'activité relatifs et des indices de rétention de quelques alcools aliphatiques, Bull. Soc. Chim. Fr., 1968, 1, 118-125. [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]

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Hendriks, H.; Bruins, A.P., A tentative identification of components in the essential oil of Cannabis sativa L. by a combination of gas chromatography negative ion chemical ionization mass spectrometry and retention indices, Biomed. Mass Spectrom., 1983, 10, 6, 377-381, https://doi.org/10.1002/bms.1200100607 . [all data]

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Schreyen, L.; Dirinck, P.; van Wassenhove, F.; Schamp, N., Analysis of leek volatiles by headspace condensation, J. Agric. Food Chem., 1976, 24, 6, 1147-1152, https://doi.org/10.1021/jf60208a023 . [all data]

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Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [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]

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Notes

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

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  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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