Silicic acid (H4SiO4), tetrapropyl ester
- Formula: C12H28O4Si
- Molecular weight: 264.4338
- IUPAC Standard InChI: InChI=1S/C12H28O4Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-12H2,1-4H3
- IUPAC Standard InChIKey: ZQZCOBSUOFHDEE-UHFFFAOYSA-N
- CAS Registry Number: 682-01-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Propyl orthosilicate; Propyl silicate; Propyl silicate ((PrO)4Si); Silane, tetrapropoxy-; Tetra-n-propoxysilane; Tetrapropoxysilane; Tetrapropyl orthosilicate; Tetrapropyl silicate; Tetrapropyloxysilane; tetra-n-Propyl orthosilicate; Silicon tetrapropoxide; Silicon orthopropoxide; CT2090; Dynasil P
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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 |
|---|---|---|
| 460.1 | 298.15 | Nkinamubanzi, Charlet, et al., 1985 |
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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 49.8 ± 0.8 | kJ/mol | C | Voronkov, Baryshok, et al., 1988 | AC |
| ΔvapH° | 49.8 ± 0.4 | kJ/mol | EB | Klyuchnikov, Danilova, et al., 1985 | AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 367. | 0.007 | PCR Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 66.9 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. - 563. 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]
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]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [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]
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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