Description

3-Chloropropyltrichlorosilane is a highly reactive bifunctional organosilicon compound that serves as a critical building block in advanced material synthesis. Its dual functionality, featuring both a reactive chlorosilane group and a terminal chloroalkyl chain, makes it an indispensable coupling agent for creating permanent chemical bridges between inorganic substrates and organic polymers. This product is essential for manufacturers in the electronics, specialty coatings, and advanced composites industries seeking to enhance material adhesion, durability, and performance.

Application

• Surface Modification Agent: Key for priming glass, silica, metals, and other inorganic surfaces to improve adhesion for coatings, sealants, and adhesives.
• Silane Coupling Agent: Used in the production of fiberglass-reinforced plastics, mineral-filled composites, and tire rubber to strengthen the interface between filler and matrix.
• Intermediate for Functional Silanes: Serves as a precursor for synthesizing other specialty silanes with amine, epoxy, or vinyl functionalities via nucleophilic substitution of the chloroalkyl group.
• Semiconductor & Electronics Manufacturing: Employed in the fabrication of microchips and electronic components for surface passivation and as a dielectric layer precursor.
• Hydrophobic Coatings: Used to create water-repellent and anti-corrosive surfaces on construction materials, textiles, and optical elements.
• Chromatography Media: Functionalizes silica gel for HPLC columns, enabling the creation of specific stationary phases for chemical separation.
• Adhesive & Sealant Formulations: Enhances bonding strength and environmental resistance in high-performance industrial and construction adhesives.
• Nanomaterial Synthesis: Acts as a linker molecule for attaching organic molecules or polymers to nanoparticles like silica or quantum dots.

Basic Information

Product Name	3-Chloropropyltrichlorosilane
CAS No.	2550-06-3
Molecular Formula	C3H6Cl4Si
Molecular Weight	212.37 g/mol
Synonyms	(3-Chloropropyl)trichlorosilane; Trichloro(3-chloropropyl)silane; γ-Chloropropyltrichlorosilane; 3-Chloropropylsilicon trichloride; Silane, trichloro(3-chloropropyl)-; CPTCl; NSC 9375; 1-Chloro-3-(trichlorosilyl)propane
EINECS	219-851-9

Quality Control

Our production of 3-Chloropropyltrichlorosilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques including GC, NMR, and titration. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your material requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and ignition sources. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C for extended stability. Keep away from strong bases, oxidizers, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	1.38 - 1.42 g/mL
Refractive Index (n20/D)	1.465 - 1.475
Chloride Content (Titration)	Contact for details

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