3-Pentanol, 3-methyl-

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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 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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil395. ± 2.KAVGN/AAverage of 22 out of 24 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus249.55KN/AHoward, Mears, et al., 1947Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc575.6 ± 0.6KN/AGude and Teja, 1995 
Tc575.6KN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.8 K; TRC
Quantity Value Units Method Reference Comment
Pc35.2 ± 0.2barN/AGude and Teja, 1995 
Pc35.20barN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.50 bar; TRC
Quantity Value Units Method Reference Comment
Δvap55.7 ± 0.3kJ/molGSKulikov, Verevkin, et al., 2001Based on data from 275. to 301. K.; AC
Δvap56.65 ± 0.84kJ/molVWiberg and Hao, 1991Heat of hydration; ALS
Δvap56.6kJ/molN/AWiberg and Hao, 1991DRB
Δvap56.7 ± 0.8kJ/molN/AWiberg and Hao, 1991AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
40.1337.AStephenson and Malanowski, 1987Based on data from 322. to 397. K.; AC
46.4353.N/AWilhoit and Zwolinski, 1973Based on data from 338. to 396. K.; AC
42.1346.IHovorka, Lankelma, et al., 1940Based on data from 298. to 393. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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: John E. Bartmess

De-protonation reactions

C6H13O- + Hydrogen cation = 3-Pentanol, 3-methyl-

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr1556. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1556. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1528. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1528. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale

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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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10180.733.4Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
CapillaryOV-10190.733.9Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
PackedApiezon L120.737.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.749.Bogoslovsky, Anvaer, et al., 1978Celite 545

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPolyethylene Glycol 4000100.1115.Bonastre and Grenier, 1968Chromosorb P; Column length: 6. m
PackedPolyethylene Glycol 4000120.1112.Bonastre and Grenier, 1968Chromosorb P; Column length: 6. m
PackedPolyethylene Glycol 4000140.1108.Bonastre and Grenier, 1968Chromosorb P; Column length: 6. m
PackedPolyethylene Glycol 400080.1119.Bonastre and Grenier, 1968Chromosorb P; Column length: 6. m

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

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Column type Active phase I Reference Comment
CapillaryVF-5MS755.9Tret'yakov, 200730. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101757.Anker, Jurs, et al., 19902. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

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

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Column type Active phase I Reference Comment
CapillarySE-30757.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1080.Anker, Jurs, et al., 19902. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1080.Vinogradov, 2004Program: not specified

References

Go To: Top, Phase change data, 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.

Howard, Mears, et al., 1947
Howard, F.L.; Mears, T.W.; Fookson, A.; Pomerantz, P.; Brooks, D.B., Preparation and physical properties of several aliphatic hydrocarbons and intermediates, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 365. [all data]

Gude and Teja, 1995
Gude, M.; Teja, A.S., Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols, J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]

Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols, J. Chem. Thermodyn., 1991, 23, 67-76. [all data]

Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas, Determination of Vapor Pressures and Vaporization Enthalpies of the Aliphatic Branched C 5 and C 6 Alcohols, J. Chem. Eng. Data, 2001, 46, 6, 1593-1600, https://doi.org/10.1021/je010187p . [all data]

Wiberg and Hao, 1991
Wiberg, K.B.; Hao, S., Enthalpies of hydration of alkenes. 4. Formation of acyclic tert-alcohols, J. Org. Chem., 1991, 56, 5108-5110. [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]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Hovorka, Lankelma, et al., 1940
Hovorka, Frank; Lankelma, Herman P.; Axelrod, Abraham E., Thermodynamic Properties of the Hexyl Alcohols. III. 2-Methylpentanol-3 and 3-Methylpentanol-3, J. Am. Chem. Soc., 1940, 62, 1, 187-189, https://doi.org/10.1021/ja01858a055 . [all data]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [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]

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]

Bonastre and Grenier, 1968
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]

Tret'yakov, 2007
Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [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]

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


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References