Description

Methyl(3,3,3-Trifluoropropyl)Diethoxysilane is a specialized organosilicon compound featuring a reactive trifluoropropyl group, making it a valuable intermediate for introducing fluorinated properties into materials. This silane coupling agent is essential for enhancing the adhesion, compatibility, and performance of polymers and composites in demanding environments. It is primarily sought by manufacturers in the silicone rubber, coatings, adhesives, and electronics industries for developing high-performance, hydrophobic, and chemically resistant products.

Application

• Silicone Rubber Modification: Used as a cross-linking agent or modifier to impart oil, fuel, and solvent resistance to high-performance silicone elastomers.
• Surface Treatment & Coatings: Functions as an adhesion promoter and hydrophobic agent for glass, metals, and mineral surfaces in protective and release coatings.
• Electronics Encapsulation: Employed in the formulation of potting compounds and encapsulants to provide moisture resistance and improved dielectric properties.
• Fluorinated Polymer Synthesis: Serves as a key monomer or intermediate for synthesizing specialty fluorosilicones with unique surface characteristics.
• Composite Materials: Enhances the interfacial bonding between inorganic fillers (like silica) and organic polymer matrices, improving mechanical strength.
• Adhesives & Sealants: Improves the weather resistance, durability, and bonding strength of high-performance adhesive formulations.

Basic Information

Product Name	Methyl(3,3,3-Trifluoropropyl)Diethoxysilane
CAS No.	118162-95-1
Molecular Formula	C8H17F3O2Si
Molecular Weight	230.31 g/mol
Synonyms	Diethoxy(methyl)(3,3,3-trifluoropropyl)silane; (3,3,3-Trifluoropropyl)methyldiethoxysilane; Methyl(3,3,3-trifluoropropyl)diethoxysilane; 3,3,3-Trifluoropropylmethyldiethoxysilane; Methyldiethoxysilylpropyltrifluoride; Silane, diethoxy(3,3,3-trifluoropropyl)methyl-; (Trifluoropropyl)methyldiethoxysilane
EINECS	Contact for details

Quality Control

Our Methyl(3,3,3-Trifluoropropyl)Diethoxysilane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and support your quality assurance protocols.

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). Due to its hygroscopic nature, containers must be kept tightly sealed to prevent moisture absorption, which can affect product quality. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.380 - 1.390
Density (g/mL, 25°C)	1.10 - 1.20

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