Description

p-Trifluoromethyltetrafluorophenyltriethoxysilane is a highly functionalized organosilicon compound designed for advanced surface modification and coupling applications. Its molecular architecture, featuring a perfluorinated aromatic ring and hydrolyzable ethoxy groups, provides exceptional compatibility with fluorinated systems and robust adhesion to inorganic substrates. This specialty silane is essential for manufacturers in the electronics, advanced coatings, and specialty polymer industries seeking to enhance material performance, durability, and interfacial properties. It serves as a critical building block for creating high-value, functionalized surfaces with tailored characteristics.

Application

• Surface Treatment Agent: Used as a coupling agent and surface modifier for glass, silica, metals, and other inorganic materials to impart hydrophobic, oleophobic, and release properties.
• Fluoropolymer Modification: Acts as an adhesion promoter and compatibilizer in fluoropolymer composites, coatings, and sealants to improve bonding to substrates.
• Electronic Materials: Employed in the formulation of dielectric layers, protective coatings, and encapsulants for microelectronics and optoelectronic devices due to its low surface energy and chemical resistance.
• Specialty Resins & Coatings: Incorporated into high-performance silicone and fluorosilicone resins to enhance thermal stability, chemical resistance, and weatherability.
• Nanomaterial Functionalization: Used to graft functional groups onto nanoparticles (e.g., silica, titania) for improved dispersion in fluorinated matrices.
• Water & Oil Repellent Finishes: A key ingredient in formulating durable repellent finishes for textiles, leather, and construction materials.

Basic Information

Product Name	p-Trifluoromethyltetrafluorophenyltriethoxysilane
CAS No.	561069-04-3
Molecular Formula	C13H12F7O3Si
Molecular Weight	374.31 g/mol
Synonyms	4-(Trifluoromethyl)-2,3,5,6-tetrafluorophenyltriethoxysilane; 2,3,5,6-Tetrafluoro-4-(trifluoromethyl)phenyltriethoxysilane; Triethoxy(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)silane; (Perfluorotolyl)triethoxysilane; p-Trifluoromethyltetrafluorophenyltriethoxysilane; F-Tolyltriethoxysilane; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of p-Trifluoromethyltetrafluorophenyltriethoxysilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic and spectroscopic methods, to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request. We are committed to meeting the exacting standards required for advanced material synthesis and electronic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from atmospheric moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or NMR)	≥ 97.0%
Density (at 20°C)	~1.35 g/mL
Refractive Index (n20D)	~1.395

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