Description

3-Methacryloxypropyldimethylchlorosilane is a highly reactive bifunctional organosilicon compound, serving as a critical coupling agent and surface modifier. Its molecular structure combines a hydrolyzable chlorosilane group with a polymerizable methacrylate group, enabling it to form durable bonds between inorganic substrates and organic polymers. This product is essential for manufacturers in the advanced composites, adhesives, and coatings industries seeking to enhance material performance through improved interfacial adhesion and surface properties.

Application

• Silane Coupling Agent: Primarily used to improve the adhesion between inorganic materials (glass, minerals, metals) and organic polymers (resins, rubbers) in composite materials.
• Surface Pretreatment: Applied to glass fibers, fillers, and pigments to create a reactive surface for better bonding and dispersion in polymer matrices.
• Dental & Medical Materials: A key intermediate in the synthesis of silane-based primers and adhesives for dental composites and bone cements.
• Adhesive & Sealant Formulations: Enhances the bond strength and durability of acrylic-based adhesives and sealants, especially on difficult-to-bond surfaces.
• Coatings & Inks: Used as an additive to improve the scratch resistance, weatherability, and adhesion of coatings and printing inks to various substrates.
• Crosslinking Agent: Functions as a crosslinker in the synthesis of specialty silicone-acrylic hybrid polymers and resins.
• Research & Development: Serves as a versatile building block in organic synthesis and materials science R&D for creating novel functional materials.

Basic Information

Product Name	3-Methacryloxypropyldimethylchlorosilane
CAS No.	24636-31-5
Molecular Formula	C9H17ClO2Si
Molecular Weight	220.77 g/mol
Synonyms	3-(Methacryloyloxy)propyldimethylchlorosilane; Dimethyl(3-methacryloxypropyl)chlorosilane; γ-Methacryloxypropyldimethylchlorosilane; Methacryloxypropyldimethylchlorosilane; MPDCS; 3-Methacryloxypropyl(chloro)dimethylsilane; (3-Methacryloxypropyl)dimethylchlorosilane; Chlorodimethyl(3-methacryloxypropyl)silane
EINECS	246-369-8

Quality Control

Our production of 3-Methacryloxypropyldimethylchlorosilane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay, purity verification, and impurity profiling, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 material is hygroscopic (moisture-sensitive) and reacts with strong acids and organic solvents; it must be kept under a dry, inert atmosphere (e.g., nitrogen or argon) and isolated from incompatible substances.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	1.00 - 1.05 g/cm³
Refractive Index (n20/D)	1.440 - 1.450

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