1H,1H,2H,2H-Perfluorooctyltrimethoxysilane is a colourless, transparent liquid with low surface tension and excellent weatherability. It is stable and non-volatile at room temperature. The compound has a high thermal decomposition temperature.
| Category | Specification |
|---|---|
| Product Name | 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane |
| Brand Name | Suneco |
| Model Number | GR665 |
| CAS No. | 85857-16-5 |
| EINECS No. | 288-657-1 |
| Molecular Formula (MF) | C₁₁H₁₃F₁₃O₃Si |
| Molecular Weight | 468.284 |
| Other Names | Fluoro silane |
| Physical & Chemical Properties | |
|---|---|
| Appearance | Colorless clear liquid |
| Key Features | Excellent water-proof; Oil resistance |
| Origin & Application | |
|---|---|
| Place of Origin | Shandong, China |
| Type | Agrochemical Intermediates, Syntheses Material Intermediates |
| Application | Improve the oil resistance of sheath materials |
| Quality & Supply | |
|---|---|
| Shelf Life | 2 Years |
| Storage | Cold Dry Place |
| Sample | Available |
| Certification | COA, MSDS, TDS |
| Package | 1KG/25kg/220KG/drum |
| Packaging & Delivery | |
|---|---|
| Selling Units | Single item |
| Single Package Size | 15 x 15 x 15 cm |
| Single Gross Weight | 1.000 kg |
| Item | value |
| CAS No. | 85857-16-5 |
| Other Names | 1H,1H,2H,2H-PERFLUOROOCTYLTRIMETHOXYSILANE |
| MF | C11H13F13O3Si |
| EINECS No. | 288-657-1 |
| Place of Origin | China |
| Type | Agrochemical Intermediates |
| Purity | 99% |
| Application | Improve the oil resistance of sheath materials |
| Appearance | colorless liquid |
| Product name | 1H,1H,2H,2H-PERFLUOROOCTYLTRIMETHOXYSILANE |
| CAS | 85857-16-5 |
| Package | 25kg/drum |
| Storage | Cool Dry Place |
| Sample | Availiable |
| MOQ | 1 Kg |
| Density | 1.457 |
| Boiling point | 88 °C |
| Apperance | colorless liquid |





Perfluorooctyltrimethoxysilane (CAS 85857-16-5) is a high-performance organofluorosilane used primarily as a surface modifier. It acts as an effective coupling agent, providing durable water and oil repellency to various substrates like glass, textiles, and metals. Its key applications include creating anti-reflective, stain-resistant, and protective coatings. The compound works by forming a thin, stable monolayer that significantly lowers surface energy. With a high boiling point of 217.3°C and a purity of 97% min, it is a reliable intermediate for advanced industrial coatings and material science.