Tristearin
- Formula: C57H110O6
- Molecular weight: 891.4797
- IUPAC Standard InChIKey: DCXXMTOCNZCJGO-UHFFFAOYSA-N
- CAS Registry Number: 555-43-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Octadecanoic acid, 1,2,3-propanetriyl ester; Stearin, tri-; Glycerol trioctadecanoate; Glycerol tristearate; Glyceryl tristearate; Spezialfett 118; Stearic acid triglyceride; Stearic acid triglycerin ester; Stearic triglyceride; Stearoyl triglyceride; Trioctadecanoin; 1,2,3-Propanetriyl trioctadecanoate; Dynasan 118; Stearin; Glycowax S 932; Hardened oil; Octadecanoic acid, 1,1',1''-(1,2,3-propanetriyl) ester
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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 as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 1534.7 | J/mol*K | N/A | Charbonnet and Singleton, 1947 | For c,β: extrapolation below 90 K, 462.8 J/mol*K.; DH |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -35806.7 ± 1.8 | kJ/mol | Ccb | Freedman, Bagby, et al., 1989 | Corresponding ΔfHºsolid = -2344.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
1975. | 353. | Phillips and Mattamal, 1976 | T = 353 to 453 K.; DH |
1969.0 | 346.5 | Charbonnet and Singleton, 1947 | T = 96 to 372 K. Value is unsmoothed experimental datum. Data for c,α, 192 to 226 K.; DH |
Reaction 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C57H104O6 + 3H2 = C57H110O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1592.2 | kJ/mol | Chyd | Rogers and Choudhury, 1978 | liquid phase; solvent: Hexane |
9 + C57H92O6 =
By formula: 9H2 + C57H92O6 = C57H110O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1132.5 | kJ/mol | Chyd | Rogers and Choudhury, 1978 | liquid phase; solvent: Hexane |
By formula: 3H2 + C57H104O6 = C57H110O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1577. | kJ/mol | Chyd | Rogers and Choudhury, 1978 | liquid phase; solvent: Hexane |
By formula: 3H2 + C57H104O6 = C57H110O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -378.05 | kJ/mol | Chyd | Rogers and Choudhury, 1978 | liquid phase; solvent: Hexane |
By formula: 6H2 + C57H98O6 = C57H110O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -757.05 | kJ/mol | Chyd | Rogers and Choudhury, 1978 | liquid phase; solvent: Hexane |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Charbonnet and Singleton, 1947
Charbonnet, G.H.; Singleton, W.S.,
Thermal properties of fats and oils. VI. Heat capacity, heats of fusion and transition, and entropy of trilaurin, trimyristin, tripalmitin, and tristearin,
J. Am. Oil Chem. Soc., 1947, 24, 140-142. [all data]
Freedman, Bagby, et al., 1989
Freedman, B.; Bagby, M.O.; Khoury, H.,
Correlation of heats of combustion with empirical formulas for fatty alcohols,
J. Am. Oil Chem. Soc., 1989, 66, 595-596. [all data]
Phillips and Mattamal, 1976
Phillips, J.C.; Mattamal, M.M.,
Correlation of liquid heat capacities for carboxylic esters,
J. Chem. Eng. Data, 1976, 21, 228-232. [all data]
Rogers and Choudhury, 1978
Rogers, D.W.; Choudhury, D.N.,
Heats of hydrogenation of large molecules. Part 3 - Five simple unsaturated triglycerides (triacylglycerols),
J. Chem. Soc. Faraday Trans. 1, 1978, 74, 2868-2872. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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