Tetraethyl Orthosilicate (TEOS, Tetraethoxysilane) Rubber O-Rings & Gasket Compatibility

Tetraethyl orthosilicate, commonly abbreviated as TEOS and also referred to as tetraethoxysilane, is a clear, volatile liquid with the chemical formula Si(OC2H5)4. It is widely used as a key silicon alkoxide precursor in the formation of silica and other silicon-containing compounds. Through hydrolysis and condensation reactions, TEOS enables the controlled production of high purity silica for advanced industrial processes. In manufacturing environments, tetraethyl orthosilicate is utilized in coatings, specialty adhesives, ceramic formulations, and sol-gel processing. It also plays an important role in producing thin films, optical fibers, silicon dioxide layers, and certain polymer and resin systems. Its ability to form uniform silica networks makes it particularly valuable in electronics, semiconductor processing, and precision material applications. Because TEOS is flammable and can present inhalation or ingestion hazards, proper storage in tightly sealed containers away from ignition sources is essential. Handling procedures should include adequate ventilation and appropriate personal protective equipment to reduce exposure risks. When managed responsibly, tetraethyl orthosilicate remains an important raw material in the development of high performance silicon-based materials across multiple industrial sectors.

Need TETRAETHYL ORTHOSILICATE (TEOS) resistant plastics, O-rings, rubbers, and seals? Get in touch now!

Canyon Components strives to meet all customer service requests. If you need something that isn't listed below, feel free to contact a Canyon Components product and application consultant and let our knowledgeable staff help you design the perfect part for your needs.

Get a quote now!

Full Chem Table

Custom Gaskets & Cut Parts