
Tetrabutyl orthosilicate
Chemical Name: | Tetrabutyl orthosilicate |
Product Category: | Crosslinkers & Silazanes | Silane Coupling Agent |
Structural Formula: | ![]() |
CAS NO.: | 4766-57-8 |
Molecular formula: | C₁₆H₃₆O₄Si |
EINECS: | 225-305-8 |
Molecular Weight: | 320.55 g/mol |
Appearance: | Clear, colorless to slightly yellow liquid |
Tetrabutyl orthosilicate Description
Tetrabutyl Orthosilicate (also known as Tetrabutoxysilane, TBOS), with CAS number 4766-57-8, is a versatile organosilicon compound that plays a crucial role in the synthesis of silicate and silica-based materials. With the molecular formula C₁₆H₃₆O₄Si, it consists of a silicon atom bonded to four butoxy (C₄H₉O) groups. This compound is widely used in various industries, including chemical synthesis, material science, and surface treatment.
Chemical name | Tetrabutyl orthosilicate |
Boiling point | Approximately 277°C |
Density(25°C),g/cm3 | Approximately 0.899 g/mL |
Flash Point | Approximately 135°C (275°F) |
Refractive Index (nD20) | Approximately 1.413 |
Solubility | Slightly soluble in water, highly soluble in organic solvents like ethanol, acetone, and toluene. |
Uses | Tetrabutyl Orthosilicate serves as a valuable intermediate in various chemical processes:
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Safety and Handling | Tetrabutyl Orthosilicate is classified as a hazardous substance:
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Tetrabutyl orthosilicate: Guide
Tetrabutyl Orthosilicate (CAS 4766-57-8) is a highly reactive organosilicon compound widely used in silica production, chemical synthesis, and surface modification applications. Its ability to form silica-based materials and coupling agents makes it an invaluable ingredient in industries like coatings, electronics, and nanotechnology.
While it offers significant advantages in industrial processes, its flammable and corrosive nature requires proper handling, storage, and safety precautions to ensure safe use.