Tritriacontane
- Formula: C33H68
- Molecular weight: 464.8930
- IUPAC Standard InChIKey: SUJUOAZFECLBOA-UHFFFAOYSA-N
- CAS Registry Number: 630-05-7
- 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-Tritriacontane
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Condensed phase thermochemistry data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 877.8 | J/mol*K | N/A | Parks, Huffman, et al., 1930 | Extrapolation below 90 K, 267 J/mol*K. |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
1112.5 | 353. | Spaght, Thomas, et al., 1932 | T = 80 to 110°C. |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
900.8 | 294.4 | Parks, Huffman, et al., 1930 | T = 94 to 294 K. Value is unsmoothed experimental datum. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 345. ± 3. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 167.6 | 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 |
---|---|---|---|---|
148. ± 1. | 458. | TE | Piacente, Fontana, et al., 1994 | Based on data from 438. to 480. K.; AC |
118. | 532. | A,E | Stephenson and Malanowski, 1987 | Based on data from 517. to 749. K. See also Kudchadker and Zwolinski, 1966.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
105.039 | 344.2 | Spaght, Thomas, et al., 1932 | DH |
105.02 | 344. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
305.2 | 344.2 | Spaght, Thomas, et al., 1932 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Parks, Huffman, et al., 1930
Parks, G.S.; Huffman, H.M.; Thomas, S.B.,
Thermal data on organic compounds. VI. The heat capacities, entropies and free energies of some saturated, non-benzenoid hydrocarbons,
J. Am. Chem. Soc., 1930, 52, 1032-1041. [all data]
Spaght, Thomas, et al., 1932
Spaght, M.E.; Thomas, S.B.; Parks, G.S.,
Some heat capacity data on organic compounds obtained with a radiation calorimeter,
J. Phys. Chem., 1932, 36, 882-888. [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]
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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tfus Fusion (melting) point 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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