Hexatriacontane
- Formula: C36H74
- Molecular weight: 506.9728
- IUPAC Standard InChIKey: YDLYQMBWCWFRAI-UHFFFAOYSA-N
- CAS Registry Number: 630-06-8
- 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: n-Hexatriacontane
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Phase change data
Go To: Top, References, Notes
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
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 |
---|---|---|---|---|---|
Tfus | 349.1 ± 0.9 | K | AVG | N/A | Average of 26 out of 27 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 182.8 | kJ/mol | CGC | Chickos and Hanshaw, 2004 | Based on data from 534. to 565. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
157. ± 2. | 484. | TE | Piacente, Fontana, et al., 1994 | Based on data from 452. to 516. K.; AC |
124.4 | 550. | A,E | Stephenson and Malanowski, 1987 | Based on data from 535. to 571. K. See also Kudchadker and Zwolinski, 1966.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
81.6 | 350.2 | DSC | Khimeche, Boumrah, et al., 2006 | AC |
102.51 | 349.2 | DSC | Wang, Tozaki, et al., 2006 | AC |
87.6 | 349. | DSC | Marti, Kaisersberger, et al., 2004 | AC |
87.5 | 348.9 | AC | Wang, Tan, et al., 1999 | Based on data from 80. to 370. K.; AC |
88.83 | 349.2 | N/A | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
28.71 | 345.4 | Domalski and Hearing, 1996 | CAL |
88.01 | 347.1 | ||
254.41 | 349.2 |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
9.916 | 345.35 | crystaline, III | crystaline, II | Company, 1973 | DH |
30.543 | 347.05 | crystaline, II | crystaline, I | Company, 1973 | DH |
130.666 | 349.15 | crystaline, I | liquid | Company, 1973 | DH |
9.916 | 345.25 | crystaline, III | crystaline, II | Schaerer, Busso, et al., 1955 | DH |
30.543 | 346.95 | crystaline, II | crystaline, I | Schaerer, Busso, et al., 1955 | DH |
88.826 | 349.05 | crystaline, I | liquid | Schaerer, Busso, et al., 1955 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
28.7 | 345.35 | crystaline, III | crystaline, II | Company, 1973 | DH |
88.0 | 347.05 | crystaline, II | crystaline, I | Company, 1973 | DH |
374.2 | 349.15 | crystaline, I | liquid | Company, 1973 | DH |
28.7 | 345.25 | crystaline, III | crystaline, II | Schaerer, Busso, et al., 1955 | DH |
88.0 | 346.95 | crystaline, II | crystaline, I | Schaerer, Busso, et al., 1955 | DH |
254.5 | 349.05 | crystaline, I | liquid | Schaerer, Busso, et al., 1955 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Khimeche, Boumrah, et al., 2006
Khimeche, Kamel; Boumrah, Yacine; Benziane, Mokhtar; Dahmani, Abdallah,
Solid--liquid equilibria and purity determination for binary n-alkane+naphthalene systems,
Thermochimica Acta, 2006, 444, 2, 166-172, https://doi.org/10.1016/j.tca.2006.03.011
. [all data]
Wang, Tozaki, et al., 2006
Wang, Shaolan; Tozaki, Ken-Ichi; Hayashi, Hideko; Inaba, Hideaki; Yamamoto, Hiroko,
Observation of multiple phase transitions in some even n-alkanes using a high resolution and super-sensitive DSC,
Thermochimica Acta, 2006, 448, 2, 73-81, https://doi.org/10.1016/j.tca.2006.06.022
. [all data]
Marti, Kaisersberger, et al., 2004
Marti, E.; Kaisersberger, E.; Emmerich, W.-D.,
New aspects of thermal analysis, Part I. Resolution of DSC and means for its optimization,
Journal of Thermal Analysis and Calorimetry, 2004, 77, 3, 905-934, https://doi.org/10.1023/B:JTAN.0000041669.06816.36
. [all data]
Wang, Tan, et al., 1999
Wang, Lan; Tan, Zhi-Cheng; Meng, Shuang-He; Liang, Dong-Bai,
Low-temperature heat capacity and phase transition of n-hexatriacontane,
Thermochimica Acta, 1999, 342, 1-2, 59-65, https://doi.org/10.1016/S0040-6031(99)00308-1
. [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]
Company, 1973
Company, J.C.,
Measurement and interpretation of crystallization equilibriums of heavy paraffin and aromatic hydrocarbon solutions,
Chem. Eng. Sci., 1973, 28, 318-323. [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
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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