1H,1H,2H,2H-Perfluorodecyltrimethoxysilane

1H,1H,2H,2H-Perfluorodecyltrimethoxysilane is a specialized fluorine-containing chemical that is used primarily as a surface treatment agent. It is known for its ability to create water-repellent and oil-repellent surfaces due to its unique chemical structure. The compound is often applied to impart hydrophobic and oleophobic properties to various materials, making it useful in industries such as textiles, coatings, and electronics. Its properties stem from the perfluorinated alkyl group that provides excellent stability and chemical resistance, while the trimethoxysilane portion ensures strong adhesion to substrates through a covalent bond formation with hydroxyl groups present on surfaces.

Technical Index

Product Name	1H,1H,2H,2H-Perfluorodecyltrimethoxysilane
Catalog	OFC00123
CAS	83048-65-1
Molecular Formula	C13H13F17O3Si
Appearance	Colorless clear liquid
Purity	≥98%
Density at 25°C	1.54 g/cm3
Refractive Index	1.331

Applications

As a fluorinated silane compound, 1H,1H,2H,2H-perfluorodecyltrimethoxysilane has several applications across various industries due to its unique properties. Here are some of its key applications:

• Textiles. The compound can be applied to textiles to provide water and stain resistance. The fluorinated groups create a surface that repels water and oils, making textiles easier to clean and maintain. This treatment is particularly useful for outdoor apparel and furniture fabrics.
• Coatings. When applied as a coating, this compound can provide a barrier against moisture and corrosive substances, extending the lifespan of metal surfaces, especially in harsh environmental conditions.
• Electronics. In electronics, the compound is used to protect sensitive components from moisture, which can cause short circuits and corrosion. It is often applied as a conformal coating. In addition, the compound's low surface energy and dielectric properties make it useful in microelectronic fabrication, where it can be used to modify surfaces in semiconductor devices to improve performance and reliability.
• Construction materials. It can also be used to treat concrete, stone, and other porous construction materials to prevent water ingress, reduce weathering, and minimize freeze-thaw damage.