4,5-Dipropyl-4,5-bis-(4-tert-butylphenyl)octane
- Formula: C34H54
- Molecular weight: 462.7926
- IUPAC Standard InChI: InChI=1S/C34H54/c1-11-23-33(24-12-2,29-19-15-27(16-20-29)31(5,6)7)34(25-13-3,26-14-4)30-21-17-28(18-22-30)32(8,9)10/h15-22H,11-14,23-26H2,1-10H3
- IUPAC Standard InChIKey: JHALHDOCRWHJSQ-UHFFFAOYSA-N
- CAS Registry Number: 85668-72-0
- Chemical structure:
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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 419. | K | N/A | Kratt, Beckhaus, et al., 1983 | Uncertainty assigned by TRC = 1. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 198. | kJ/mol | E | Kratt, Beckhaus, et al., 1983, 2 | ΔHfussion = 9.7±0.1 kcal/mol at 146°C; ALS |
| ΔsubH° | 198.0 | kJ/mol | N/A | Kratt, Beckhaus, et al., 1983, 2 | DRB |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 40.58 | 419. | DSC | Kratt, Beckhaus, et al., 1983 | AC |
| 36.110 | 452. | N/A | Wilhoit and Dole, 1953 | DH |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 79.9 | 452. | Wilhoit and Dole, 1953 | 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.
Kratt, Beckhaus, et al., 1983
Kratt, G.; Beckhaus, H.D.; Bernioehr, W.; Ruechardt, C.,
Thermolabile hydrocarbons. XVII. Enthalpies of combustion and formation of ten sym-tetraalkyl-1,2-diarylethanes,
Thermochim. Acta, 1983, 62, 279-294. [all data]
Kratt, Beckhaus, et al., 1983, 2
Kratt, G.; Beckhaus, H.D.; Bernlohr, W.; Ruchardt, C.,
Thermolabile kohlenwasserstoffe. XVII. Verbrennungsenthalpie und bildungsenthalpie von zehn sym.-tetraalkyl-1,2-diarylethanen,
Thermochim. Acta, 1983, 62, 279-194. [all data]
Wilhoit and Dole, 1953
Wilhoit, R.C.; Dole, M.,
Specific heat of synthetic high polymers. II. Polyhexamethylene adipamide and sebacamide,
J. Phys. Chem., 1953, 57, 14-21. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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