Castor oil
- Formula: C18H34O3
- Molecular weight: 298.4608
- CAS Registry Number: 8001-79-4
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°liquid | 620. | J/mol*K | N/A | Ur'yash and Mochalov, 1984 |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 646. | 300. | Ur'yash and Mochalov, 1984 | T = 80 to 320 K. |
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 fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 17.016 | 264.87 | Ur'yash and Mochalov, 1984 |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 64.2 | 264.87 | Ur'yash and Mochalov, 1984 |
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 205. | crystaline, II | crystaline, I | Ur'yash and Mochalov, 1984 | Glass transition; Cp = 0.55 J/g*K for glass to supercooled liquid transition. |
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.
Ur'yash and Mochalov, 1984
Ur'yash, V.F.; Mochalov, A.N.,
Heat capacity and thermodynamic properties of castor oil,
Zhur. Prikl. Khim. (Leningrad), 1984, 57, 2574-2578. [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 S°liquid Entropy of liquid at standard conditions Ttrs Temperature of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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