- InChI
- InChI=1S/C16H36O4Si/c1-5-9-13-17-21(18-14-10-6-2,19-15-11-7-3)20-16-12-8-4/h5-16H2,1-4H3
- InChI Key
- UQMOLLPKNHFRAC-UHFFFAOYSA-N
- Formula
- C16H36O4Si
- SMILES
- CCCCO[Si](OCCCC)(OCCCC)OCCCC
- Molecular Weight1
- 320.54
- CAS
- 4766-57-8
- Other Names
-
- Butyl silicate ((BuO)4Si)
- Butyl silicate ((C4H9O)4Si)
- CT1750
- NSC 89762
- Silane, tetrabutoxy-
- Silicic acid, tetrabutyl ester
- Silicon tetrabutoxide
- T1750
- Tetra-n-butoxysilane
- Tetrabutoxysilane
- Tetrabutyl orthosilicate
- Tetrabutyl silicate
- tetra-n-Butyl orthosilicate
- ω : Acentric Factor.
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Inp : Non-polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.8293 | Relay (1.0) Calculated Property | |
| ΔfG° | -335.81 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -1106.25 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 52.00 ± 1.00 | kJ/mol | NIST |
| IE | 10.04 | eV | Relay (1.0) Calculated Property |
| log10WS | -4.51 | Relay (1.0) Calculated Property | |
| logPoct/wat | 4.689 | Crippen Calculated Property | |
| Pc | 1100.00 | kPa | Vapor-Liquid Critical Properties of Some Tetraalkoxysilanes |
| Inp | [1480.00; 1490.00] |
|
|
| Inp | 1490.00 | NIST | |
| Inp | 1480.00 | NIST | |
| Inp | 1483.20 | NIST | |
| Inp | 1488.00 | NIST | |
| Inp | 1488.00 | NIST | |
| Inp | 1488.00 | NIST | |
| Tboil | 535.05 | K | Relay (1.0) Calculated Property |
| Tc | 691.02 | K | Relay (1.0) Calculated Property |
| Tfus | 156.78 | K | Relay (1.0) Calculated Property |
| Vc | 1.104 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | 580.20 | J/mol×K | 298.15 | NIST |
| ΔvapH | 79.60 | kJ/mol | 406.00 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 393.00 | K | 0.40 | NIST |
Similar Compounds
Find more compounds similar to Silicic acid (H4SiO4), tetrabutyl ester.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Vapor-Liquid Critical Properties of Some Tetraalkoxysilanes
- NIST Webbook
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