Product Line


Gelest offers a wide range of silane and silicon compounds in research and commercial quantities that are employed to enhance adhesion, increase mechanical properties of composites, improve dispersion of pigments and minerals, provide crosslinking, immobilize catalysts, and bind biomaterials. Silanes are also used to protect, synthesize, and derivatize functional groups in organic synthesis. They can impart hydrophobic or hydrophilic surface characteristics. See select applications listed below.

Example Applications

See more applications for CASE, life science tools, medical devices, microelectronics, and personal care.

Adhesives & Sealants

Gelest supplies products for various functions in adhesive and sealant applications. These include...

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Advanced Ceramics

Advanced ceramics are used today in many applications and the market continues to grow at close to 10% per year. The various types of advanced ceramics include oxide, carbide, nitride, boride, and nano-sized ceramic powders. Gelest offers many products which can be used as precursors to the required advanced ceramic…

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Conductive Coatings

A wide variety of materials can be engineered to provide different degrees of electrical conductivity, such as copper, aluminum, and molybdenum. Iron-chrome-aluminum and molybdenum-disilicide are commonly used for higher temperature applications. Some oxide ceramics are used as conductors and semiconductors for specialized applications. Conductive and non-conductive coatings that generally incorporate…

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Hydrophobic Materials

Gelest offers a wide range silanes and silicones for use as surface modifiers. One of the most desired after properties is hydrophobicity. This property can be used for such things as rendering glassware water repellent or affecting the wetting of water on a substrate causing it to bead up and…

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Separation Science

Gelest offers a range of materials that provide the chemical variation for the wide variety of chromatography and related applications where specific surface modification is required. These range from the long-chain aliphatic-substituted silanes for reversed phase chromatography, to organofunctional organosilanes including amino, mercapto, epoxy and other functionalities that are covalently…

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Surface-Treated Pigments for Personal Care

Gelest’s extensive experience in silane chemistry led to the development of unique surface treated inorganic pigments and fillers. By changing the surface chemistry of the particles, our surface treatments can help improve your product’s performance, help reduce production time and energy costs, and increase product stability. Gelest offers standard product…

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Technical Guides

Visit our technical guides for more information on Gelest chemistry and how to use our materials.

Silane Coupling Agents

Silanes can be used to prime metals, bind biomaterial, immobilize catalysts, provide crosslinking, and improve polymer and particle dispersions. They can also enhance adhesive bonding, increase electrical properties, maximize composite strength, and increase mechanical properties. Information on what a silane…

Hydrophobicity, Hydrophilicity, and Silane Surface Modification

Silanes can specifically be used for hydrophobic/hydrophilic surface modification. This information focuses on raw materials that can be used for: water repellents; anti-stiction coatings; mineral surface treatments; fillers for composites; pigment dispersants; dielectric coatings; release coatings; optical (LED) coatings; bonded…

Microparticle Surface Modification

Gelest provides chemistries and deposition technologies for microparticle modifications that dramatically enhance color, polarity, adhesion, dispersion, rheological behavior, photo/chemical/thermal stability, moisture/corrosion resistance, and mechanical/electrical properties.

Silicon-Based Blocking Agents

Silicon-based reagents for functional group protection, synthetic transformation, and derivatization for gas chromatographic analyses. These materials can be the protection of alcohols, phenols, diols, amines, carboxylic acids, and thiols.

Silicon-Based Cross-Coupling Agents

Silicon-based cross-coupling reagents are used for carbon-carbon bond formation and the introduction or aryl, vinyl, and ethynyl groups.

Silicon-Based Reducing Agents

Reductive transformations for organic synthesis: silicon-based materials for the reduction of aldehydes, ketones, acetals, ketals, esters, lactones, thioesters, enamines, imines, acids, amides, halides, olefins, and metal halides.

Selected Products

Silanes for Surface Modification (see product selection guide)

Silanes for Organic Synthesis (see product selection guide)