Silicic acid (H4SiO4), tetrabutyl ester
- Formula: C16H36O4Si
- Molecular weight: 320.5401
- IUPAC Standard InChIKey: UQMOLLPKNHFRAC-UHFFFAOYSA-N
- CAS Registry Number: 4766-57-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Butyl silicate ((BuO)4Si); Silane, tetrabutoxy-; Silicon tetrabutoxide; Tetra-n-butoxysilane; Tetrabutoxysilane; Tetrabutyl orthosilicate; Tetrabutyl silicate; tetra-n-Butyl orthosilicate; Butyl silicate ((C4H9O)4Si); CT1750; T1750; Silicic acid, tetrabutyl ester; NSC 89762
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas Chromatography, References, Notes
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 (cal/mol*K) | Temperature (K) | Reference |
---|---|---|
138.7 | 298.15 | Nkinamubanzi, Charlet, et al., 1985 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, 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° | 12.4 ± 0.24 | kcal/mol | C | Voronkov, Baryshok, et al., 1988 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
393. | 0.004 | PCR Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
19.0 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 479. K.; AC |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 100. | 1490. | Kreshkov, Kirichenko, et al., 1975 | Ar; Column length: 1. m |
Packed | Apiezon L | 150. | 1480. | Kreshkov, Kirichenko, et al., 1975 | Ar; Column length: 1. m |
Capillary | Apiezon L | 160. | 1483.2 | Peetre, 1974 | Column length: 50. m; Column diameter: 0.25 mm |
Packed | Apiezon L | 160. | 1488. | Peetre, 1974, 2 | Column length: 3. m |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apieson M | 160. | 1488. | Ellren, Peetre, et al., 1974 | Chromosorb G AW DMCS (80-100 mesh) |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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]
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]
Kreshkov, Kirichenko, et al., 1975
Kreshkov, A.P.; Kirichenko, É.A.; Markov, B.A.,
Retention indices of alkoxychlorosilanes,
Zh. Anal. Khim., 1975, 30, 2, 286-289. [all data]
Peetre, 1974
Peetre, I.-B.,
Gas chromatographic investigation of organometallic compounds and their carbon analogues. II. Improved method for calculating retention indices of tetraalkoxysilanes,
J. Chromatogr., 1974, 88, 2, 311-321, https://doi.org/10.1016/S0021-9673(00)83155-6
. [all data]
Peetre, 1974, 2
Peetre, I.-B.,
Gas chromatographic investigation of organometallic compounds and their carbon analogues. III. A study of Kováts retention indices for tetraalkoxysilanes containing branched alkoxy groups,
J. Chromatogr., 1974, 90, 1, 35-40, https://doi.org/10.1016/S0021-9673(01)94771-5
. [all data]
Ellren, Peetre, et al., 1974
Ellren, O.; Peetre, I.B.; Smith, B.E.F.,
Gas chromatographic investigation of organometallic compounds and their carbon analogues. V. Use of refractive index in conjunction with Kovats retention index for the identification of organosilicon compounds,
J. Chromatogr., 1974, 93, 2, 383-392, https://doi.org/10.1016/S0021-9673(01)85402-9
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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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