Tetramethoxysilane
| Chemical Name: | Tetramethoxysilane |
| Product Category: | Orthosilicate | Silane Products |
| Structural Formula: |  |
| CAS No.: | 681-84-5 |
| EINECS: | 211-656-4 |
| Structural Formula: | Si(OCH3)4 |
| Molecular Formula: | C4H12O4Si |
| Molecular Weight: | 152.22 |
Tetramethoxysilane Description
Tetramethoxysilane (CAS 681-84-5) is a colorless, transparent liquid with a distinct odor. This versatile silane compound plays a vital role in various industries, including electronics, where it is used as an insulating material. It also serves as an essential agent in optical glass processing, adhesives, and the synthesis of organic silicon. With its diverse applications, Tetramethoxysilane is crucial for enhancing performance and efficiency in numerous industrial processes.
| Chemical name | Tetramethoxysilane |
| Density | 1.0±0.1 g/cm3 |
| Boiling Point | 121.2±8.0 °C at 760 mmHg |
| Melting Point | −4 °C(lit.) |
| Flash Point | 28.9±0.0 °C |
| Exact Mass | 152.050491 |
| Psas | 36.92000 |
| Logp | 2.97 |
| Appearance Traits | colorless liquid |
| Steam Density | 5.25 (vs air) |
| Vapor Pressure | 17.7±0.2 mmHg at 25°C |
| Refractive Index | 1.382 |
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Tetramethoxysilane : Guide
Tetramethoxysilane (TMOS) is a widely used organosilicon compound, typically obtained through a hydrolysis reaction to produce dimethoxysilanols. As the starting material for silicone (siloxane) synthesis, Si(OCH3)4 plays a crucial role in the production of silicone, a versatile polymer featuring silicon-oxygen (Si-O) bonds. Silicone materials are extensively used in coatings, sealants, adhesives, and materials science due to their unique properties. As a key precursor in silicone synthesis, TMOS participates in polymerization reactions, enabling the creation of silicone materials with tailored characteristics.
It’s important to handle TMOS carefully as it is highly reactive and can hydrolyze quickly. Avoiding contact with moisture is essential to ensure the desired properties of the final silicone products.
