Description

3-Methacryloxypropyltrimethoxy Silane is a bifunctional organosilane coupling agent featuring a reactive methacrylate group and hydrolyzable trimethoxy silyl group. This dual functionality is critical for creating strong, durable bonds between inorganic materials like glass, minerals, and metals, and organic polymers such as acrylics, polyesters, and epoxies. It is an essential raw material for manufacturers in the composites, adhesives, coatings, and sealants industries seeking to enhance material performance, adhesion, and weatherability.

Application

• As a key coupling agent in fiberglass-reinforced plastics (FRP) and mineral-filled composites to improve mechanical strength and moisture resistance.
• As a surface primer or additive in adhesives and sealants to promote adhesion to glass, metals, and concrete substrates.
• As a crosslinking agent and adhesion promoter in radiation-curable coatings, inks, and resins, including UV-curable systems.
• For the surface treatment of fillers and pigments (e.g., silica, talc, calcium carbonate) to improve dispersion and compatibility in polymer matrices.
• In the manufacture of silicone-modified polymers and as a monomer for specialty silicone resins with enhanced properties.
• As a chemical anchor in dental composites and other medical material applications where strong bonding is required.

Basic Information

Product Name	3-Methacryloxypropyltrimethoxy Silane
CAS No.	72537-60-1
Molecular Formula	C10H20O5Si
Molecular Weight	248.35 g/mol
Synonyms	3-(Trimethoxysilyl)propyl methacrylate; γ-Methacryloxypropyltrimethoxysilane; MEMO; MPS; Silane A-174; KH-570; Methacryloxypropyltrimethoxysilane; 3-(Methacryloyloxy)propyltrimethoxysilane
EINECS	Contact for details

Quality Control

Our production of 3-Methacryloxypropyltrimethoxy Silane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis, to ensure consistency and performance. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance with your quality assurance 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); containers must be kept tightly sealed to prevent contact with atmospheric moisture, which can lead to hydrolysis and polymerization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.428 - 1.432
Density (20°C)	1.040 - 1.050 g/cm³

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