Dotetracontane
- Formula: C42H86
- Molecular weight: 591.1322
- IUPAC Standard InChIKey: FTJPDYTXORWVLU-UHFFFAOYSA-N
- CAS Registry Number: 7098-20-6
- 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-Dotetracontane
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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 |
---|---|---|---|---|---|
Tfus | 356.1 | K | N/A | Seyer, Patterson, et al., 1944 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 356.1 | K | N/A | Buchler and Graves, 1927 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 213.5 | kJ/mol | CGC | Chickos, Wang, et al., 2008 | Based on data from 323. to 523. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
136. | 582. | A,E | Stephenson and Malanowski, 1987 | Based on data from 567. to 810. K. See also Kudchadker and Zwolinski, 1966.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
165.97 | 357.3 | DSC | Wang, Tozaki, et al., 2006 | AC |
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.
Seyer, Patterson, et al., 1944
Seyer, W.F.; Patterson, R.F.; Keays, J.L.,
The Density and Transition Points of the n-Paraffin Hydrocarbons,
J. Am. Chem. Soc., 1944, 66, 179-82. [all data]
Buchler and Graves, 1927
Buchler, C.C.; Graves, G.D.,
Ind. Eng. Chem., 1927, 19, 718. [all data]
Chickos, Wang, et al., 2008
Chickos, James; Wang, Tracy; Sharma, Esseim,
Hypothetical Thermodynamic Properties: Vapor Pressures and Vaporization Enthalpies of the Even n -Alkanes from C 40 to C 76 at T = 298.15 K by Correlation-Gas Chromatography. Are the Vaporization Enthalpies a Linear Function of Carbon Number?,
J. Chem. Eng. Data, 2008, 53, 2, 481-491, https://doi.org/10.1021/je7005852
. [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]
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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy 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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