Octadecanoic acid, 2,3-dihydroxypropyl ester
- Formula: C21H42O4
- Molecular weight: 358.5558
- IUPAC Standard InChIKey: VBICKXHEKHSIBG-UHFFFAOYSA-N
- CAS Registry Number: 123-94-4
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Stearin, 1-mono-; α-Monostearin; Aldo MSD; Aldo MSLG; Aldo 33; Aldo 75; Arlacel 165; Emerest 2407; Glycerin 1-monostearate; Glycerin 1-stearate; Glycerol α-monostearate; Glycerol 1-monostearate; Glycerol 1-stearate; Glyceryl 1-monostearate; Sandin EU; Stearic acid α-monoglyceride; Stearic acid 1-monoglyceride; Tegin 55G; 1-Glyceryl stearate; 1-Monostearin; 1-Monostearoylglycerol; 1,2,3-Propanetriol 1-octadecanoyl ester; Glycerol α-sterate; Monostearin (l); 3-Stearoyloxy-1,2-propanediol; NSC 3875; Glyceryl 1-octadecanoate; 2,3-Dihydroxypropyl stearate; Monostearin; Tegin (Related); Tegin 515 (Related); Glyceryl stearate (Related); Glyceryl monostearate (Related)
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -1337.8 ± 2.2 | kJ/mol | Ccb | Silbert, Daubert, et al., 1965 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -12928.8 ± 1.8 | kJ/mol | Ccb | Silbert, Daubert, et al., 1965 | Corresponding ΔfHºsolid = -1337.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
610.4 | 298. | Silbert, Daubert, et al., 1965 | BL-form.; DH |
866.0 | 298.2 | Ward, Vicknair, et al., 1955 | crystaline, α phase; T = -74 to 114°C. Give experimental points and equations for solid and liquid states. Sub-alpha form, Cp = 0.4977 + 0.00318t cal/g*K, -13 to 40°C; liquid, Cp = 0.5118 + 0.00182t cal/g*K, 87 to 100°C.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Silbert, Daubert, et al., 1965
Silbert, L.S.; Daubert, B.F.; Mason, L.S.,
The heats of combustion, formation, and isomerization of isomeric monoglycerides,
J. Phys. Chem., 1965, 69, 2887-2894. [all data]
Ward, Vicknair, et al., 1955
Ward, T.L.; Vicknair, E.J.; Singleton, W.S.; Feuge, R.O.,
Some thermal properties of 1-monostearin, 1-aceto-3-stearin and 1,2-diaceto-3-stearin,
J. Phys. Chem., 1955, 59, 4-7. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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