Description

(3-Glycidoxypropyl)Bis(Trimethylsiloxy)Methylsilane is a high-purity organosilicon compound featuring a reactive glycidoxypropyl group and hydrolyzable siloxy functionalities. This dual functionality makes it a critical coupling agent and surface modifier, enhancing adhesion and compatibility between inorganic substrates and organic polymers. It is essential for manufacturers in the advanced materials, coatings, and electronics industries seeking to improve product performance and durability.

Application

• Adhesion Promoter: A key component in primers and coatings for glass, metals, and minerals to improve bonding with epoxy, acrylic, and polyurethane resins.
• Surface Modification: Used to treat fillers like silica, alumina, and glass fibers to enhance their dispersion and interfacial strength in composite materials.
• Crosslinking Agent: Functions as a reactive intermediate in the synthesis of silicone resins and modified polymers, contributing to network formation.
• Waterproofing Agent: Imparts hydrophobic properties to surfaces in construction materials, textiles, and stone protectants.
• Electronic Encapsulants: Employed in potting compounds and conformal coatings for electronic components to provide moisture resistance and mechanical protection.
• Release Coatings: A precursor in formulations for silicone-based release liners used in labels and tapes.

Basic Information

Product Name	(3-Glycidoxypropyl)Bis(Trimethylsiloxy)Methylsilane
CAS No.	7422-52-8
Molecular Formula	C13H32O5Si3
Molecular Weight	352.66 g/mol
Synonyms	3-Glycidoxypropylbis(trimethylsiloxy)methylsilane; Glycidoxypropylbis(trimethylsiloxy)methylsilane; Silane, [3-(oxiranylmethoxy)propyl]bis(trimethylsiloxy)methyl-; (3-Glycidyloxypropyl)bis(trimethylsiloxy)methylsilane; Epoxy-functional silane; A-187 (alternative trade designation); KH-560 (common industry code); γ-Glycidoxypropylbis(trimethylsiloxy)methylsilane
EINECS	231-047-5

Quality Control

Our (3-Glycidoxypropyl)Bis(Trimethylsiloxy)Methylsilane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including GC, NMR, and titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) with detailed specifications are provided to guarantee 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/59-77°F). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.408 - 1.412
Density (g/mL, 25°C)	0.98 - 1.02
Epoxy Value	Contact for details

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