2-Pentanone, 3-methyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-284.1 ± 1.3kJ/molCcbDubois and Herzog, 1972ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
182.46 ± 0.27395.25von Geiseler G., 1973GT
183.72 ± 0.28399.65
184.97 ± 0.28403.75
187.36 ± 0.28411.35
188.66 ± 0.28416.25

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

Quantity Value Units Method Reference Comment
Tboil390. ± 2.KAVGN/AAverage of 20 values; Individual data points
Quantity Value Units Method Reference Comment
Tc571.9KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap40.59kJ/molN/AMajer and Svoboda, 1985 
Δvap41.5kJ/molAStephenson and Malanowski, 1987Based on data from 283. to 395. K.; AC
Δvap41.2kJ/molN/AAmbrose, Ellender, et al., 1975Based on data from 283. to 457. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
391.21.01Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
34.16390.6N/AMajer and Svoboda, 1985 
39.8301.AStephenson and Malanowski, 1987Based on data from 286. to 400. K.; AC
36.5400.AStephenson and Malanowski, 1987Based on data from 385. to 455. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
348. to 390.59.0.2984571.9Majer and Svoboda, 1985 

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:


References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dubois and Herzog, 1972
Dubois, J.-E.; Herzog, H., Heats of formation of aliphatic ketones: Structure correlation based on environment treatment, J. Chem. Soc. Chem. Commun., 1972, 932-933. [all data]

von Geiseler G., 1973
von Geiseler G., The heat capacity and the heat of vaporization of isomeric butylmethylketones and propylacetates, Z. Phys. Chem. (Leipzig), 1973, 252, 170-176. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]

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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]


Notes

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