Description

Tris(Glycidoxypropyldimethylsiloxy)Phenylsilane is a high-purity, multi-functional organosilicon compound with a unique molecular architecture. This specialty chemical is engineered to serve as a critical cross-linking agent and adhesion promoter in advanced polymer systems. It is essential for manufacturers in the electronics, advanced coatings, and high-performance composites industries seeking to enhance material durability, thermal stability, and interfacial bonding.

Application

• Epoxy Resin Modification: Acts as a reactive diluent and cross-linker to improve flexibility, adhesion, and chemical resistance of epoxy formulations.
• Electronic Encapsulants & Underfills: Enhances the reliability and moisture resistance of protective resins for semiconductors and microelectronic components.
• Fiber-Reinforced Composites: Used as a coupling agent at the fiber-matrix interface to significantly improve mechanical strength and environmental durability.
• Specialty Adhesives & Sealants: Imparts superior adhesion to difficult substrates like metals, glass, and engineered plastics.
• Optical & LED Packaging: Incorporated into transparent resins to maintain clarity and prevent delamination under thermal and humidity stress.
• Surface Treatment & Primers: Provides a reactive silane layer on inorganic surfaces to promote coating adhesion and corrosion protection.

Basic Information

Item	Detail
Product Name	Tris(Glycidoxypropyldimethylsiloxy)Phenylsilane
CAS No.	90393-83-2
Molecular Formula	C30H54O9Si4
Molecular Weight	671.1 g/mol
Synonyms	Phenyltris(3-glycidoxypropyldimethylsiloxy)silane; 3-Glycidoxypropylphenylbis(3-glycidoxypropyldimethylsiloxy)silane; Glycidoxypropyl Phenyl Silane Crosslinker; Tris(3-glycidoxypropyldimethylsiloxy)phenylsilane; Phenyl Silane Triepoxide; Epoxy-Functional Phenylsilane; Silane Coupling Agent Z-6940 (Trade Name Analog); (Phenyl)tri[3-(2,3-epoxypropoxy)propyldimethylsiloxy]silane
EINECS	Contact for details

Quality Control

Our production of Tris(Glycidoxypropyldimethylsiloxy)Phenylsilane adheres to a stringent quality management system. Every batch is analyzed to ensure high purity and consistent performance, with critical parameters monitored via NMR, FT-IR, and HPLC. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and key physical properties is provided with each shipment to guarantee traceability and compliance with your 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/59-77°F). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Epoxy Value	Contact for details
Refractive Index (n20D)	1.460 - 1.470
Density (25°C)	1.05 - 1.10 g/cm³
Moisture (Karl Fischer)	≤ 0.5%

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