Dodecanoic acid, 1,2,3-propanetriyl ester
- Formula: C39H74O6
- Molecular weight: 639.0013
- IUPAC Standard InChIKey: VMPHSYLJUKZBJJ-UHFFFAOYSA-N
- CAS Registry Number: 538-24-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Laurin, tri-; Glycerol trilaurate; Glyceryl tridodecanoate; Glyceryl trilaurate; Lauric acid triglyceride; Lauric acid triglycerin ester; Trilaurin; Glycerin trilaurate; Dynasan 112; Trilauroylglycerol; Dodecanoic acid, tri-ester with glycerol; Dodecanoic acid, 1,1',1''-(1,2,3-propanetriyl) ester; NSC 4061; Tridodecanoyl glycerol
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Phase change data
Go To: Top, References, Notes
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 319.5 | K | N/A | Charbonnet and Singleton, 1947 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 319.6 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC |
Ttriple | 287.4 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 3 phase; Uncertainty assigned by TRC = 1. K; TRC |
Ttriple | 307.2 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 2 phase; Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 180.0 ± 6.3 | kJ/mol | TGA | Kishore, Shobha, et al., 1990 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
147.1 | 438. | TGA | Kishore, Shobha, et al., 1990 | AC |
137.6 | 473. | A,T | Stephenson and Malanowski, 1987 | Based on data from 458. to 520. K. See also Perry, Weber, et al., 1949.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
123.51 | 319.5 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
123.510 | 319.5 | crystaline, β | liquid | Charbonnet and Singleton, 1947, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
386.6 | 319.5 | crystaline, β | liquid | Charbonnet and Singleton, 1947, 2 | DH |
References
Go To: Top, Phase change 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,
J. Am. Oil Chem. Soc., 1947, 24, 140. [all data]
Ollivon and Perron, 1982
Ollivon, M.; Perron, R.,
Thermochim. Acta, 1982, 53, 183-194. [all data]
Kishore, Shobha, et al., 1990
Kishore, K.; Shobha, H.K.; Mattamal, G.J.,
Structural effects on the vaporization of high molecular weight esters,
J. Phys. Chem., 1990, 94, 4, 1642-1648, https://doi.org/10.1021/j100367a077
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Perry, Weber, et al., 1949
Perry, E.S.; Weber, W.H.; Daubert, B.F.,
Vapor Pressures of Phlegmatic Liquids. I. Simple and Mixed Triglycerides,
J. Am. Chem. Soc., 1949, 71, 11, 3720-3726, https://doi.org/10.1021/ja01179a038
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Charbonnet and Singleton, 1947, 2
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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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