Description

3-Acetoxypropyl Dimethylchlorosilane is a versatile organosilicon reagent featuring both a reactive chlorosilane group and a protected acetoxypropyl functionality. This bifunctional nature makes it a critical intermediate for introducing specific organic moieties onto silicon-based materials and surfaces. It is essential for manufacturers and R&D chemists in the silicone polymer, surface modification, and advanced materials sectors seeking to create custom silanes with tailored properties.

Application

• Surface Modification Agent: Used to functionalize inorganic surfaces like silica, glass, and metals, imparting specific organic character and reactivity for improved adhesion or compatibility.
• Silicone Polymer Intermediate: Serves as a key monomer or cross-linking agent in the synthesis of specialty silicone polymers and resins with unique mechanical or chemical properties.
• Coupling Agent for Composites: Enhances the interface between organic polymers and inorganic fillers (e.g., glass fibers, minerals) in composite materials, improving strength and durability.
• Hydrophobic Coating Precursor: A building block for creating water-repellent coatings on various substrates, including textiles, electronics, and construction materials.
• Chromatography Stationary Phase Synthesis: Employed in the derivatization of silica gel to produce specialized stationary phases for analytical and preparative chromatography.
• Adhesion Promoter Formulation: A component in primers and adhesion promoters for silicones, enhancing bond strength to difficult substrates.
• Pharmaceutical & Agro-chemical Intermediates: Used in the synthesis of more complex molecules where a silicon-linked propyl acetate group is required.

Basic Information

Product Name	3-Acetoxypropyl Dimethylchlorosilane
CAS No.	18387-98-9
Molecular Formula	C7H15ClO2Si
Molecular Weight	194.73 g/mol
Synonyms	Dimethyl(3-acetoxypropyl)chlorosilane; (3-Acetoxypropyl)dimethylchlorosilane; 3-(Acetoxy)propyldimethylchlorosilane; Chlorodimethyl(3-acetoxypropyl)silane; Acetoxypropyldimethylchlorosilane; γ-Acetoxypropyldimethylchlorosilane; (3-Acetoxypropyl)chlorodimethylsilane
EINECS	Contact for details

Quality Control

Our 3-Acetoxypropyl Dimethylchlorosilane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing specific batch results 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. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Handle in a fume hood due to high volatility and the release of corrosive HCl upon reaction with moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	~1.02 g/cm³
Refractive Index (n20D)	~1.435

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