Tetraethyl silicate
- Formula: C8H20O4Si
- Molecular weight: 208.3275
- IUPAC Standard InChI: InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
- IUPAC Standard InChIKey: BOTDANWDWHJENH-UHFFFAOYSA-N
- CAS Registry Number: 78-10-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Silicic acid (H4SiO4), tetraethyl ester; Dynasil A; Ethyl orthosilicate; ES 28 (ester); Silane, tetraethoxy-; Silicon ethoxide; Silicon tetraethoxide; Tetraethoxysilane; Tetraethoxysilicon; Tetraethyl orthosilicate; TEOS; (C2H5O)4Si; Ethyl silicate, ((EtO)4Si); Etylu krzemian; Silicate d'ethyle; Silicate tetraethylique; Silicic acid, tetraethyl ester; Tetraethylsilikat; UN 1292; ES 100; ES 28; NSC 4790; Silikan L
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°liquid | 127.4 | cal/mol*K | N/A | van der Vis, Cordfunke, et al., 1992 |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 87.09 | 298.15 | van der Vis, Cordfunke, et al., 1992 | T = 10 to 440 K. Cp/R(liq) = 2.49615x105(T/K)-2 + 70.8549x10-3 + 19.9007 (193 to 362 K), where R = 8.3144 J/mol*K. |
| 84.15 | 298.15 | Nkinamubanzi, Charlet, et al., 1985 |
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.
van der Vis, Cordfunke, et al., 1992
van der Vis, M.G.M.; Cordfunke, E.H.P.; Konings, R.J.M.; van den Berg, G.J.K.; van Miltenburg, J.C.,
Tetraethoxysilane, Si(OC2H5)4: heat capacity and thermodynamic properties at temperatures from 0 to 440 K,
J. Chem. Thermodynam., 1992, 24, 1103-1108. [all data]
Nkinamubanzi, Charlet, et al., 1985
Nkinamubanzi, P.; Charlet, G.; Delmas, G.,
Excess enthalpies, excess heat capacities and excess volumes of tetraalkoxysilanes with cyclohexane and carbon tetrachloride,
Fluid Phase Equilibria, 1985, 20, 57-73. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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