Description

(3-Glycidoxypropyl)Methyldiethoxysilane is a versatile organofunctional silane coupling agent featuring both epoxy and alkoxysilane groups in its molecular structure. This dual functionality makes it a critical component for enhancing adhesion between inorganic materials and organic polymers. It is essential for manufacturers in the composites, coatings, and sealants industries seeking to improve mechanical properties, durability, and moisture resistance in their final products. The compound is widely used as a surface modifier and crosslinking promoter.

Application

• Fiberglass and Mineral-Filled Composites: Acts as a coupling agent to improve the bond between glass fibers or mineral fillers and epoxy, polyester, or phenolic resins, significantly enhancing mechanical strength and moisture resistance.
• Epoxy-based Adhesives and Sealants: Serves as an adhesion promoter and crosslinker, improving bond strength to glass, metals, and concrete, especially in challenging environmental conditions.
• Surface Treatment for Fillers and Pigments: Used to modify the surface of silica, alumina, and other inorganic particles to improve their dispersion and compatibility in polymer matrices.
• Primers and Sizing Agents: Formulated into primers for metals, glass, and ceramics to prepare surfaces for subsequent coating or bonding with epoxy adhesives.
• Crosslinking Agent for Silicone Polymers: Utilized in the synthesis and modification of silicone resins and RTV (Room Temperature Vulcanizing) silicones to introduce epoxy functionality and enhance properties.
• Electronic Encapsulants and Potting Compounds: Improves the adhesion and environmental protection of epoxy resins used to encapsulate electronic components.

Basic Information

Product Name	(3-Glycidoxypropyl)Methyldiethoxysilane
CAS No.	2897-60-1
Molecular Formula	C11H24O4Si
Molecular Weight	248.39 g/mol
Synonyms	3-Glycidoxypropylmethyldiethoxysilane; Glymo-MD; (3-Glycidyloxypropyl)methyldiethoxysilane; γ-Glycidoxypropylmethyldiethoxysilane; Methyldiethoxysilylpropyl glycidyl ether; Dynasylan GLYMO-MD; Silane A-187 derivative; Epoxy-functional silane
EINECS	220-785-5

Quality Control

Our (3-Glycidoxypropyl)Methyldiethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications for epoxy content and silane functionality. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance protocols.

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. Keep away from heat and incompatible materials such as strong acids and bases.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.427 - 1.431
Density (20°C)	0.97 - 1.01 g/cm³
Epoxy Value	Contact for details

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