1-Aceto-3-stearin
- Formula: C23H44O5
- Molecular weight: 400.5925
- CAS Registry Number: 27177-85-1
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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 224.3 | 298.2 | Ward, Vicknair, et al., 1955 | crystaline, α phase; T = -71 to 72°C. Give experimental points and equations for 2 solid and liquid states. Sub-alpha form, Cp = 0.4471 + 0.00133t cal/g*K (-73 to -1°C); alpha form, Cp = 0.4513 + 0.00434t cal/g*K, (-1 to 27°C); liquid, Cp = 0.2290 + 0.0068t cal/g*K (57 to 87°C). |
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 by: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 9.9630 | 319.9 | crystaline, α | liquid | Ward, Vicknair, et al., 1955 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 31.14 | 319.9 | crystaline, α | liquid | Ward, Vicknair, et al., 1955 |
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.
Ward, Vicknair, et al., 1955
Ward, T.L.; Vicknair, E.J.; Singleton, W.S.; Feuge, R.O.,
Some thermal properties of 1-monostearin, 1-aceto-3-stearin and 1,2-diaceto-3-stearin,
J. Phys. Chem., 1955, 59, 4-7. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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