Tetramethyl silicate
- Formula: C4H12O4Si
- Molecular weight: 152.2212
- IUPAC Standard InChI: InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
- 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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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. - 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. - 394. K.; AC |
| 38.0 | 379. | EB | Kato and Tanaka, 1989 | Based on data from 364. - 393. K.; AC |
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.
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, Phase change data, References
- Symbols used in this document:
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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