Description

1H,1H,2H,2H-Perfluorooctylmethyldimethoxysilane is a high-performance fluorinated organosilicon coupling agent designed to impart exceptional surface properties. This compound is critical for creating durable, low-energy surfaces with outstanding oil, water, and stain repellency. It is essential for manufacturers in the coatings, textiles, and advanced materials sectors seeking to enhance product performance and longevity.

Application

• Surface Modification Agent: Primarily used to modify glass, ceramics, metals, and polymers, providing excellent hydrophobic and oleophobic (oil-repellent) characteristics.
• Protective Coatings: A key ingredient in formulating high-performance, weather-resistant, and anti-graffiti coatings for architectural and automotive applications.
• Textile Finishing: Imparts durable water and oil repellency (DWR/DOR) to technical textiles, outdoor apparel, and upholstery fabrics.
• Stone and Concrete Protection: Used in treatments to protect porous building materials from water, oil, and environmental staining.
• Electronic and Optical Films: Applied in the surface treatment of films and components to prevent moisture ingress and reduce surface adhesion.
• Mold Release Agents: Serves as an effective component in release coatings for plastics and rubber molding processes.

Basic Information

Product Name	1H,1H,2H,2H-Perfluorooctylmethyldimethoxysilane
CAS No.	85857-17-6
Molecular Formula	C13H13F17O2Si
Molecular Weight	528.30 g/mol
Synonyms	Perfluorooctylethyldimethoxysilane; (Heptadecafluoro-1,1,2,2-tetrahydrooctyl)methyldimethoxysilane; 1H,1H,2H,2H-Perfluorooctylmethyldimethoxysilane; 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylmethyldimethoxysilane; F13-TCS; PFOSi; Fluorinated alkylsilane; Heptadecafluorodecyldimethylmethoxysilane
EINECS	Contact for details

Quality Control

Our 1H,1H,2H,2H-Perfluorooctylmethyldimethoxysilane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the high standards required for industrial and specialty chemical applications. A Certificate of Analysis (COA) detailing key specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.5 g/mL
Refractive Index (n20D)	~1.35

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.