Heptatriacontane

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus312.KN/AStaudinger and Staiger, 1935Uncertainty assigned by TRC = 5. K; note discrepancy with 1933 staker 0; TRC
Tfus301.KN/AStaudinger and Kern, 1933Uncertainty assigned by TRC = 5. K; value reported for stable form, metastable form was detected; TRC
Tfus349.4KN/ABuchler and Graves, 1927Uncertainty assigned by TRC = 4. K; TRC
Tfus349.6KN/ABuchler and Graves, 1927Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Δvap44.81kcal/molCGCChickos and Hanshaw, 2004Based on data from 534. to 565. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
37.0 ± 0.5491.TEPiacente, Fontana, et al., 1994Based on data from 471. to 511. K.; AC
30.21556.A,EStephenson and Malanowski, 1987Based on data from 541. to 778. K. See also Kudchadker and Zwolinski, 1966.; 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:


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.

Staudinger and Staiger, 1935
Staudinger, H.; Staiger, F., Chem. Ber., 1935, 68, 707. [all data]

Staudinger and Kern, 1933
Staudinger; Kern, Chem. Ber., 1933, 66, 373. [all data]

Buchler and Graves, 1927
Buchler, C.C.; Graves, G.D., Ind. Eng. Chem., 1927, 19, 718. [all data]

Chickos and Hanshaw, 2004
Chickos, James S.; Hanshaw, William, Vapor Pressures and Vaporization Enthalpies of the n -Alkanes from C 31 to C 38 at T = 298.15 K by Correlation Gas Chromatography, J. Chem. Eng. Data, 2004, 49, 3, 620-630, https://doi.org/10.1021/je030236t . [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]

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]


Notes

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