Description

3-Phenoxypropyltrichlorosilane is a specialized organosilicon compound that serves as a critical coupling agent and surface modifier. Its molecular structure, featuring a reactive trichlorosilyl group and a phenoxypropyl moiety, enables it to form durable bonds between inorganic substrates and organic polymers. This product is essential for manufacturers in the advanced materials, electronics, and specialty chemical sectors seeking to enhance composite material performance, adhesion, and surface properties.

Application

• Surface Modification Agent: Used to functionalize glass, silica, and metal oxide surfaces to improve compatibility with organic resins.
• Coupling Agent for Composites: Enhances the interfacial adhesion between inorganic fillers (like glass fibers or minerals) and polymer matrices in epoxy, phenolic, or polyurethane composites.
• Adhesion Promoter in Coatings: Incorporated into primers and adhesive formulations to boost bond strength to difficult substrates.
• Intermediate for Silicone Synthesis: Serves as a key building block in the production of modified polysiloxanes and silicone-based materials with specific properties.
• Electronics & Semiconductor Processing: Applied in the passivation and functionalization of silicon wafers and other semiconductor surfaces.
• Hydrophobic Coatings: Used to create water-repellent surfaces on textiles, construction materials, and optical components.

Basic Information

Product Name	3-Phenoxypropyltrichlorosilane
CAS No.	60333-76-8
Molecular Formula	C9H11Cl3OSi
Molecular Weight	269.62 g/mol
Synonyms	Trichloro(3-phenoxypropyl)silane; (3-Phenoxypropyl)trichlorosilane; 3-Phenoxypropyltrichlorosilane; Silane, trichloro(3-phenoxypropyl)-; γ-Phenoxypropyltrichlorosilane; NSC 93766; Phenoxypropyltrichlorosilane
EINECS	262-214-3

Quality Control

Our 3-Phenoxypropyltrichlorosilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 material is hygroscopic (moisture-sensitive) and reacts vigorously with strong bases. Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	~1.25 g/cm³
Refractive Index (n20D)	~1.510 - 1.520

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