lead distearate
- Formula: C36H70O4Pb
- Molecular weight: 774.1
- IUPAC Standard InChI: InChI=1S/2C18H36O2.Pb/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
- IUPAC Standard InChIKey: UQLDLKMNUJERMK-UHFFFAOYSA-L
- CAS Registry Number: 1072-35-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Lead(II) n-octadecanoate
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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 |
|---|---|---|---|
| 14.962 | 381.2 | Adeosun and Sime, 1976 | Crystal-smectic. |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 39.2 | 381.2 | Adeosun and Sime, 1976 | Crystal-smectic. |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 13.599 | 387.2 | liquid | liquid | Adeosun and Sime, 1976 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 35.1 | 387.2 | liquid, Smectic | 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
Go To: Top, Phase change data, References
- 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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