Description

3-Trifluoroacetoxypropyltrimethoxysilane is a specialized organosilicon coupling agent that combines a reactive trifluoroacetoxy group with a hydrolyzable trimethoxysilane functionality. This unique structure makes it a critical intermediate for introducing fluorinated properties and enhancing adhesion between inorganic substrates and organic polymers. It is primarily sought after by manufacturers in the advanced materials, coatings, and electronics industries for developing high-performance, chemically resistant surfaces and composites.

Application

• Surface Modification Agent: Used to treat glass, silica, and metal oxides to impart hydrophobic, oleophobic, and release properties.
• Adhesion Promoter: Enhances the bonding of fluorinated polymers, silicones, and other resins to challenging substrates in high-performance coatings and sealants.
• Synthesis Intermediate: Serves as a key building block for creating more complex fluorinated silanes and specialty polymers with tailored surface energy.
• Electronics & Optics: Applied in the formulation of protective coatings for optical fibers, electronic components, and displays where moisture resistance and durability are critical.
• Composite Materials: Improves the dispersion and interfacial adhesion of fillers (like silica) in fluoropolymer-based composites, leading to enhanced mechanical properties.

Basic Information

Product Name	3-Trifluoroacetoxypropyltrimethoxysilane
CAS No.	120404-60-6
Molecular Formula	C8H15F3O5Si
Molecular Weight	276.28 g/mol
Synonyms	Trimethoxy[3-[(trifluoroacetyl)oxy]propyl]silane; (3-Trifluoroacetoxypropyl)trimethoxysilane; 3-(Trimethoxysilyl)propyl trifluoroacetate; γ-Trifluoroacetoxypropyltrimethoxysilane; Trifluoroacetic acid 3-(trimethoxysilyl)propyl ester; Silane, trimethoxy[3-[(trifluoroacetyl)oxy]propyl]-; TFA-PTMS
EINECS	Contact for details

Quality Control

Our production of 3-Trifluoroacetoxypropyltrimethoxysilane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (FT-IR, NMR), to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.380 - 1.390
Density (20°C)	1.20 - 1.25 g/mL

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