Description

(3-Acryloxypropyl)Methyldimethoxysilane is a bifunctional organosilicon monomer featuring both an acrylate group and hydrolyzable methoxysilane groups. This dual functionality makes it a critical coupling agent and crosslinker, enabling strong adhesion between organic polymers and inorganic substrates. It is essential for manufacturers in the coatings, adhesives, and advanced composites industries seeking to enhance material durability, weather resistance, and mechanical properties.

Application

• Crosslinking Agent for Acrylic Resins: Imparts improved hardness, chemical resistance, and weatherability to coatings, inks, and adhesives.
• Surface Modification of Fillers & Pigments: Used to treat silica, glass, and other minerals to improve dispersion in polymer matrices and enhance composite strength.
• Adhesion Promoter: Significantly improves the bond strength of acrylic-based sealants, paints, and primers to difficult substrates like glass, metals, and concrete.
• Silicone Hybrid Materials: Serves as a key monomer in the synthesis of modified silicones with enhanced UV-curability and compatibility with organic systems.
• Fiber Sizing for Composites: Applied as a coupling agent on glass or carbon fibers to optimize the interface and load transfer in reinforced plastics.
• Release Coatings: Utilized in the formulation of UV-curable release liners for labels and tapes.

Basic Information

Item	Details
Product Name	(3-Acryloxypropyl)Methyldimethoxysilane
CAS No.	13732-00-8
Molecular Formula	C9H18O4Si
Molecular Weight	218.32 g/mol
Synonyms	3-(Methyldimethoxysilyl)propyl acrylate; Acrylovoxypropylmethyldimethoxysilane; Methyldimethoxy(3-acryloxypropyl)silane; γ-Acryloxypropylmethyldimethoxysilane; Silane AY 43-206; Dynasylan® 1505; KBM-5103; SCA-100
EINECS	237-321-2

Quality Control

Our production of (3-Acryloxypropyl)Methyldimethoxysilane adheres to a stringent quality management system. Every batch is analyzed using GC, NMR, and titration methods to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at temperatures between 2°C and 25°C. This product is easily oxidized (store under inert atmosphere) and highly volatile. Keep away from heat, sparks, and open flame. Use under an inert gas blanket for extended storage or after partial use to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.428 - 1.432
Density (20°C)	1.00 - 1.04 g/mL
Methoxy Content	Contact for details

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