Nonacosane

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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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil714.0KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus337. ± 2.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap147.1kJ/molCGCChickos and Hanshaw, 2004Based on data from 434. to 539. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
559.20.020Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
112.5437.N/ASawaya, Mokbel, et al., 2006Based on data from 422. to 452. K.; AC
137. ± 3.440.TEPiacente, Fontana, et al., 1994Based on data from 423. to 457. K.; AC
137.1 ± 3.0439.TEPompili and Piacente, 1990Based on data from 423. to 456. K.; AC
109.503.A,ESTStephenson and Malanowski, 1987Based on data from 488. to 714. K. See also Kudchadker and Zwolinski, 1966.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
66.11336.6Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
89.65331.4Domalski and Hearing, 1996CAL
196.43336.6

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
29.706331.35crystaline, IIcrystaline, ISchaerer, Busso, et al., 1955DH
66.107336.55crystaline, IliquidSchaerer, Busso, et al., 1955DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
89.7331.35crystaline, IIcrystaline, ISchaerer, Busso, et al., 1955DH
196.4336.55crystaline, IliquidSchaerer, Busso, et al., 1955DH

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.

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Chickos and Hanshaw, 2004
Chickos, James S.; Hanshaw, William, Vapor Pressures and Vaporization Enthalpies of the n -Alkanes from C 21 to C 30 at T = 298.15 K by Correlation Gas Chromatography, J. Chem. Eng. Data, 2004, 49, 1, 77-85, https://doi.org/10.1021/je0301747 . [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]

Sawaya, Mokbel, et al., 2006
Sawaya, Terufat; Mokbel, Ilham; Ainous, Nédal; Rauzy, Evelyne; Berro, Charles; Jose, Jacques, Experimental Vapor Pressures of Six n -Alkanes (C 21 , C 23 , C 25 , C 27 , C 29 , C 30 ) in the Temperature Range between 350 K and 460 K, J. Chem. Eng. Data, 2006, 51, 3, 854-858, https://doi.org/10.1021/je050182i . [all data]

Piacente, Fontana, et al., 1994
Piacente, Vincenzo; Fontana, Danilo; Scardala, Paolo, Enthalpies of Vaporization of a Homologous Series of n-Alkanes Determined from Vapor Pressure Measurements, J. Chem. Eng. Data, 1994, 39, 2, 231-237, https://doi.org/10.1021/je00014a009 . [all data]

Pompili and Piacente, 1990
Pompili, T.; Piacente, V., Enthalpy of vaporization of n-heptacosane and n-nonacosane from their vapour pressure determinations, Thermochimica Acta, 1990, 170, 289-291, https://doi.org/10.1016/0040-6031(90)80548-D . [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]

Kudchadker and Zwolinski, 1966
Kudchadker, A.P.; Zwolinski, B.J., Vapor Pressure and Boiling Points of Normal Alkanes, C 21 to C 100 ., J. Chem. Eng. Data, 1966, 11, 2, 253-255, https://doi.org/10.1021/je60029a039 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Schaerer, Busso, et al., 1955
Schaerer, A.A.; Busso, C.J.; Smith, A.E.; Skinner, L.B., Properties of pure normal alkanes in the C17 to C36 range, J. Am. Chem. Soc., 1955, 77, 2017-2019. [all data]


Notes

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