Tetramethyl silicate
- Formula: C4H12O4Si
- Molecular weight: 152.2212
- IUPAC Standard InChIKey: LFQCEHFDDXELDD-UHFFFAOYSA-N
- CAS Registry Number: 681-84-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Tetramethoxysilane; Silane, tetramethoxy-; Silicic acid (H4SiO4), tetramethyl ester; Methyl orthosilicate; Methyl silicate ((CH3)4SiO4); Methyl silicate ((MeO)4Si); Silicic acid, tetramethyl ester; Tetramethyl orthosilicate; Methyl silicate; Silicic acid, methyl ester of ortho-; TL 190; Tetramethylsilikat; UN 2606; Dynasil M; Methyl silicate 28; Methyl Silicate 39; NSC 67383; SIT 7510.0; TMOS; TSL 8114
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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
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference |
---|---|---|
240.5 | 298.15 | Nkinamubanzi, Charlet, et al., 1985 |
Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 394. to 395. | K | N/A | PCR Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 41.4 ± 0.7 | kJ/mol | C | Voronkov, Baryshok, et al., 1988 | AC |
ΔvapH° | 41.4 ± 0.2 | kJ/mol | EB | Klyuchnikov, Danilova, et al., 1985 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
41.0 | 324. | N/A | Thomas, Smith, et al., 2007 | Based on data from 309. to 394. K.; AC |
38.0 | 379. | EB | Kato and Tanaka, 1989 | Based on data from 364. to 393. K.; AC |
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.
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]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Voronkov, Baryshok, et al., 1988
Voronkov, M.G.; Baryshok, V.P.; Klyuchnikov, V.A.; Danilova, T.F.; Pepekin, V.I.; Korchagina, A.N.; Khudobin, Yu.I.,
Thermochemistry of organosilicon compounds,
Journal of Organometallic Chemistry, 1988, 345, 1-2, 27-38, https://doi.org/10.1016/0022-328X(88)80231-6
. [all data]
Klyuchnikov, Danilova, et al., 1985
Klyuchnikov, V.A.; Danilova, T.F.; Voronkov, M.G.; D'yakov, V.M.,
Dokl. Phys. Chem., 1985, 281, 373. [all data]
Thomas, Smith, et al., 2007
Thomas, Leo H.; Smith, Harry; Davies, Gwyn H.,
Vapour pressures, molar entropies of vaporisation and liquid-state conformation of alkoxides,
J. Chem. Technol. Biotechnol., 2007, 30, 1, 476-480, https://doi.org/10.1002/jctb.503300160
. [all data]
Kato and Tanaka, 1989
Kato, Masahiro; Tanaka, Hiroyuki,
Ebulliometric measurement of vapor-liquid equilibria for four binary systems: methanol + silicon tetramethoxide, methanol + silicon tetraethoxide, ethanol + silicon tetramethoxide, and ethanol + silicon tetraethoxide,
J. Chem. Eng. Data, 1989, 34, 2, 206-209, https://doi.org/10.1021/je00056a018
. [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 Tboil Boiling point 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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