lead dipalmitate
- Formula: C32H62O4Pb
- Molecular weight: 718.0
- CAS Registry Number: 15773-56-5
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 13.145 | 373.4 | Adeosun and Sime, 1976 | Crystal-smectic(1). |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 35.1 | 373.4 | Adeosun and Sime, 1976 | Crystal-smectic(1). |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 9.5602 | 380.6 | liquid | liquid | Adeosun and Sime, 1976 | |
| 11.090 | 384.2 | liquid | liquid | Adeosun and Sime, 1976 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 23.9 | 380.6 | liquid, Smectic(1) | liquid, smectic(2) | Adeosun and Sime, 1976 | |
| 28.9 | 384.2 | liquid, Smectic(2) | liquid, liquid | Adeosun and Sime, 1976 |
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.
Adeosun and Sime, 1976
Adeosun, S.O.; Sime, S.J.,
Properties of molten carboxylates. Part 4: A quantitative differential thermal analysis study of melting and mesophase formation in some lead(II) carboxylates,
Thermochim. Acta, 1976, 17, 351-359. [all data]
Notes
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- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy 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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