Description

Acrylic Acid 3-(Chlorodimethylsilyl)Propyl Ester is a specialized organosilicon acrylate monomer that serves as a critical coupling agent and reactive intermediate. Its bifunctional structure, featuring both a polymerizable acrylic group and a hydrolyzable chlorosilane group, enables it to form durable covalent bonds between organic polymers and inorganic substrates. This product is essential for manufacturers in the silicone modification, adhesives, coatings, and composite materials industries seeking to enhance material compatibility, adhesion, and performance.

Application

• Silicone Modification: Key monomer for synthesizing silicone-acrylate copolymers and hybrid resins, improving flexibility and weatherability.
• Adhesives & Sealants: Functions as an adhesion promoter, especially for bonding to glass, metals, and mineral surfaces in high-performance formulations.
• Surface Treatment Agent: Used to modify the surface of fillers (e.g., silica, glass fibers) to improve dispersion and interfacial strength in polymer composites.
• UV-Curable Coatings & Inks: Acts as a reactive diluent and crosslinker, contributing to scratch resistance and substrate adhesion.
• Release Coatings: A precursor in the manufacture of silicone-modified release liners for labels and tapes.
• Rubber & Elastomers: Imparts improved processing characteristics and filler-polymer interaction in specialty rubber compounds.

Basic Information

Product Name	Acrylic Acid 3-(Chlorodimethylsilyl)Propyl Ester
CAS No.	83503-38-2
Molecular Formula	C8H15ClO2Si
Molecular Weight	206.74 g/mol
Synonyms	3-(Acryloyloxy)propylchlorodimethylsilane; (3-Acryloxypropyl)chlorodimethylsilane; Chlorodimethyl(3-acryloxypropyl)silane; Acrylic acid 3-(chlorodimethylsilyl)propyl ester; Acryloxypropylchlorodimethylsilane; γ-Acryloxypropylchlorodimethylsilane; Silane, chlorodimethyl(3-acryloxypropyl)-; 3-(Chlorodimethylsilyl)propyl acrylate
EINECS	Contact for details

Quality Control

Our production of Acrylic Acid 3-(Chlorodimethylsilyl)Propyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity verification, and impurity profiling, to ensure consistent performance and reliability for your critical formulations. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and maintain purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Color (APHA)	≤ 50
Density (20°C)	~1.00 g/cm³
Refractive Index (n20/D)	~1.440

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