Description

3-(Trimethoxysilyl)Propyl Glycidyl Ether is a versatile organosilane coupling agent featuring both epoxy and alkoxysilyl functional groups. This dual functionality is critical for enhancing the adhesion and compatibility between inorganic materials and organic polymers. It is essential for formulators and manufacturers in the composites, coatings, and sealants industries seeking to improve product durability and performance.

Application

• As a coupling agent in fiberglass-reinforced composites to improve the bond between glass fibers and epoxy or polyester resins.
• As a surface modifier for fillers (e.g., silica, minerals) and pigments to enhance their dispersion and compatibility in polymer matrices.
• In the formulation of adhesives and sealants to promote adhesion to glass, metal, and concrete substrates.
• As a key component in epoxy-based coatings to improve corrosion resistance and adhesion to difficult-to-bond surfaces.
• For the cross-linking and modification of silicones and other polymers to introduce reactive epoxy sites.
• In the production of specialty resins for electronic encapsulants and potting compounds.

Basic Information

Product Name	3-(Trimethoxysilyl)Propyl Glycidyl Ether
CAS No.	88385-40-4
Molecular Formula	C11H24O5Si
Molecular Weight	264.39 g/mol
Synonyms	Glycidoxypropyltrimethoxysilane; (3-Glycidyloxypropyl)trimethoxysilane; GPTMS; γ-Glycidoxypropyltrimethoxysilane; Silane A-187; Z-6040; 3-(2,3-Epoxypropoxy)propyltrimethoxysilane; Trimethoxy[3-(oxiran-2-ylmethoxy)propyl]silane
EINECS	Contact for details

Quality Control

Our production of 3-(Trimethoxysilyl)Propyl Glycidyl Ether adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A detailed Certificate of Analysis (COA) with specifications for assay, identity, and key impurities is provided to guarantee supply reliability and traceability for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. This product is hygroscopic (moisture-sensitive). To prevent hydrolysis and maintain optimal quality, containers should be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) after opening. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.427 - 1.431
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.