Description

3-Acryloxypropyltrichlorosilane is a highly reactive organosilicon compound that serves as a critical coupling agent and surface modifier. Its unique bifunctional structure, featuring both a polymerizable acrylate group and a hydrolyzable trichlorosilane group, enables strong covalent bonding between organic polymers and inorganic substrates. This product is essential for manufacturers in the advanced materials, electronics, and coatings industries seeking to enhance adhesion, durability, and performance in composite systems. Its precise chemistry allows for the creation of tailored interfaces in demanding applications.

Application

• Surface Priming and Adhesion Promotion: Used as a key adhesion promoter for acrylic and other polymer coatings on glass, metals, and silica surfaces.
• Fiber Reinforced Composites: Acts as a coupling agent for glass or carbon fibers in acrylic resin-based composites, improving mechanical strength and moisture resistance.
• Nano-particle Functionalization: Employed to modify the surface of silica, titania, and other inorganic nanoparticles to facilitate dispersion and bonding in polymer matrices.
• Optical and Electronic Materials: Utilized in the fabrication of optical fiber coatings, waveguides, and electronic encapsulants where precise interfacial control is required.
• Dental and Biomedical Composites: Serves as a silane coupling agent in acrylic-based dental restorative materials and bone cements to improve filler-matrix bonding.
• Release Coatings and Molds: Applied to create controlled-release surfaces or as a component in mold-making materials for acrylic casting.

Basic Information

Item	Detail
Product Name	3-Acryloxypropyltrichlorosilane
CAS No.	38595-89-0
Molecular Formula	C9H15Cl3O2Si
Molecular Weight	289.66 g/mol
Synonyms	Acrylovloxypropyltrichlorosilane; (3-Acryloxypropyl)trichlorosilane; 3-(Trichlorosilyl)propyl acrylate; Trichloro(3-acryloxypropyl)silane; Silane, trichloro[3-(1-oxo-2-propen-1-yl)oxy]propyl]-; γ-Acryloxypropyltrichlorosilane; Acrylate-functional trichlorosilane; ACPTS
EINECS	Contact for details

Quality Control

Our production of 3-Acryloxypropyltrichlorosilane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and Fourier-Transform Infrared Spectroscopy (FT-IR) to verify identity, assay, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality system is designed to meet the exacting requirements of research, development, and industrial-scale manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and reacts vigorously with moisture, releasing hydrogen chloride. Containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and polymerization. Keep away from heat, sparks, open flames, and incompatible materials such as bases, alcohols, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.27 g/cm³
Refractive Index (n20D)	~1.458
Chloride Content	≥ 36.0%

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