Trimyristin
- Formula: C45H86O6
- Molecular weight: 723.1607
- IUPAC Standard InChIKey: DUXYWXYOBMKGIN-UHFFFAOYSA-N
- CAS Registry Number: 555-45-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Tetradecanoic acid, 1,2,3-propanetriyl ester; Myristin, tri-; Glycerol trimyristate; Glyceryl trimyristate; Myristic acid triglyceride; Myristin; VP 114; Dynasan 114; 2,3-Bis(tetradecanoyloxy)propyl myristate; Glyceryl tritetradecanoate; Myristic triglyceride; NSC 4062; Tetradecanoic acid, 1,1',1''-(1,2,3-propanetriyl) ester
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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:
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 | 1246.0 | J/mol*K | N/A | Charbonnet and Singleton, 1947 | For c,β. Extrapolation below 90 K, 381.2 J/mol*K.; DH |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -27643.7 ± 1.8 | kJ/mol | Ccb | Freedman, Bagby, et al., 1989 | Corresponding ΔfHºsolid = -2355.0 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 |
---|---|---|---|
1481. | 333. | Phillips and Mattamal, 1976 | T = 333 to 433 K.; DH |
1555.2 | 331.5 | Charbonnet and Singleton, 1947 | T = 89 to 365 K. Value is unsmoothed experimental datum. Data for c,α, 192 to 247 K.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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 |
---|---|---|---|---|---|
Ttriple | 305.1 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 3 phase; Uncertainty assigned by TRC = 1. K; TRC |
Ttriple | 319.7 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 2 phase; Uncertainty assigned by TRC = 1. K; TRC |
Ttriple | 330.8 | K | N/A | Ollivon and Perron, 1982 | Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC |
Ttriple | 305.5 | K | N/A | Charbonnet and Singleton, 1947, 2 | Crystal phase 2 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
Ttriple | 330.2 | K | N/A | Charbonnet and Singleton, 1947, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 199.2 ± 6.9 | kJ/mol | TGA | Kishore, Shobha, et al., 1990 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
155.8 | 469. | TGA | Kishore, Shobha, et al., 1990 | AC |
147.8 | 503. | A,T | Stephenson and Malanowski, 1987 | Based on data from 488. to 551. K. See also Perry, Weber, et al., 1949.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
152.2 | 330.2 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
104.685 | 305.5 | crystaline, α | liquid | Charbonnet and Singleton, 1947 | DH |
152.195 | 330.2 | crystaline, β | liquid | Charbonnet and Singleton, 1947 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
342.7 | 305.5 | crystaline, α | liquid | Charbonnet and Singleton, 1947 | DH |
460.9 | 330.2 | crystaline, β | liquid | Charbonnet and Singleton, 1947 | DH |
References
Go To: Top, Condensed phase thermochemistry data, 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 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]
Ollivon and Perron, 1982
Ollivon, M.; Perron, R.,
Thermochim. Acta, 1982, 53, 183-194. [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,
J. Am. Oil Chem. Soc., 1947, 24, 140. [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]
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 Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°solid Enthalpy of combustion of solid at standard conditions 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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