Description

3,3,3-Trifluoropropylmethyldimethoxysilane is a highly versatile organosilicon coupling agent containing a reactive trifluoropropyl group. This compound is valued for its ability to impart unique surface properties, including hydrophobicity, oleophobicity, and chemical resistance, to a wide range of materials. It is essential for manufacturers in the silicone rubber, specialty coatings, and advanced composites industries seeking to enhance product performance and durability.

Application

• As a key coupling agent and crosslinker in the production of high-performance fluorosilicone rubbers.
• Surface modification of inorganic fillers (e.g., silica, glass fibers) to improve dispersion and compatibility in polymer matrices.
• Manufacture of water-repellent, stain-resistant, and anti-graffiti coatings for textiles, stone, and construction materials.
• Adhesion promoter in sealants, adhesives, and primers, particularly for difficult-to-bond substrates.
• Intermediate in the synthesis of more complex fluorinated silanes and silicone-based specialty chemicals.
• Used in the formulation of release coatings and mold-making materials.
• Potential applications in the modification of nanoparticles for advanced material science.

Basic Information

Item	Detail
Product Name	3,3,3-Trifluoropropylmethyldimethoxysilane
CAS No.	358-67-8
Molecular Formula	C6H13F3O2Si
Molecular Weight	202.25 g/mol
Synonyms	Methyldimethoxy(3,3,3-trifluoropropyl)silane; (3,3,3-Trifluoropropyl)methyldimethoxysilane; 3,3,3-Trifluoropropyldimethoxymethylsilane; Dynasylan® F 8261; Silane, methyldimethoxy(3,3,3-trifluoropropyl)-; (Trifluoropropyl)methyldimethoxysilane; γ-Trifluoropropylmethyldimethoxysilane; F8261
EINECS	206-618-5

Quality Control

Our 3,3,3-Trifluoropropylmethyldimethoxysilane is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your technical requirements.

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 contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.365 - 1.375
Density (20°C)	1.15 - 1.20 g/cm³

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