Description

(3-Glycidyloxypropyl)Triethoxysilane is a versatile organosilane coupling agent featuring both a hydrolyzable ethoxysilyl group and a reactive epoxy group. This dual functionality makes it a critical component for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is essential for manufacturers in the composites, coatings, adhesives, and sealants industries seeking to improve the mechanical properties and durability of their products.

Application

• As a coupling agent in glass fiber-reinforced composites to improve the bond between the fiber and the polymer matrix.
• As a surface primer or additive in paints, coatings, and inks to enhance adhesion to difficult substrates like metals, glass, and minerals.
• As a crosslinking agent or adhesion promoter in silicone-based sealants and adhesives.
• For the surface treatment of fillers (e.g., silica, talc) and minerals to improve their dispersion and compatibility in plastic and rubber compounds.
• In the formulation of moisture-curable resins and as a component in sol-gel processes for creating hybrid organic-inorganic materials.
• As a chemical anchor in dental and construction materials to bond organic resins to inorganic surfaces.

Basic Information

Product Name	(3-Glycidyloxypropyl)Triethoxysilane
CAS No.	2602-34-8
Molecular Formula	C12H26O5Si
Molecular Weight	278.42 g/mol
Synonyms	Glycidoxypropyltriethoxysilane; 3-Glycidyloxypropyltriethoxysilane; (3-Glycidoxypropyl)triethoxysilane; GPTES; Silane A-187; KH-560; γ-Glycidoxypropyltriethoxysilane; 3-(2,3-Epoxypropoxy)propyltriethoxysilane
EINECS	220-011-6

Quality Control

Our (3-Glycidyloxypropyl)Triethoxysilane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity, and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 containers tightly sealed to prevent contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.427 - 1.430
Density (g/mL, 25°C)	1.065 - 1.075
Epoxy Value	Contact for details

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