Description

Methacryloxypropyltriisopropoxysilane is a bifunctional organosilane coupling agent featuring both a polymerizable methacrylate group and hydrolyzable isopropoxy groups. This unique structure makes it a critical component for enhancing adhesion and compatibility between inorganic substrates and organic polymer matrices. It is essential for manufacturers in the composites, coatings, and sealants industries seeking to improve the mechanical properties and durability of their products.

Application

• As a coupling agent and adhesion promoter in glass fiber-reinforced composites and mineral-filled plastics.
• Surface treatment of glass, silica, and metal oxides to improve bonding with acrylic and methacrylate resins.
• A key monomer or crosslinker in the synthesis of moisture-curable acrylic sealants and specialty coatings.
• Used in the formulation of dental composites and restorative materials to enhance filler-matrix interface strength.
• Improving the dispersion and performance of nanofillers (e.g., silica, alumina) in polymer nanocomposites.
• As a surface modifier for pigments and fillers in inks and paints to prevent settling and improve gloss.
• In the production of silicone-modified acrylic polymers for weatherable coatings and pressure-sensitive adhesives.

Basic Information

Product Name	Methacryloxypropyltriisopropoxysilane
CAS No.	80750-05-6
Molecular Formula	C16H32O6Si
Molecular Weight	348.52 g/mol
Synonyms	3-(Trimethoxysilyl)propyl methacrylate (triisopropoxy variant); MEMO; γ-Methacryloxypropyltriisopropoxysilane; Silane A-174 (triisopropoxy analog); 3-(Triisopropoxysilyl)propyl 2-methyl-2-propenoate; Methacryloxypropyltriisopropoxysilane; Triisopropoxy(3-methacryloyloxypropyl)silane; Methacryloxypropyltriisopropoxysilane
EINECS	Contact for details

Quality Control

Our Methacryloxypropyltriisopropoxysilane is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with relevant industry specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.430 - 1.440
Density (g/mL, 20°C)	0.98 - 1.02

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