Description

3-Chloropropyldimethylchlorosilane is a versatile bifunctional organosilicon compound, serving as a critical building block in advanced material synthesis. Its dual reactive sites—a chlorosilane and an alkyl chloride—enable precise surface modification and the creation of custom silane coupling agents. This chemical is essential for manufacturers in the silicone polymer, pharmaceutical intermediate, and specialty chemical sectors seeking to enhance material properties and develop novel functionalized products.

Application

• Silane Coupling Agent Precursor: A key intermediate for synthesizing custom silane coupling agents used to improve adhesion between organic polymers and inorganic surfaces like glass, metals, and minerals.
• Surface Modification: Used to functionalize silica, nanoparticles, and other substrates, introducing reactive chloropropyl groups for further chemical grafting.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery systems that require organosilicon frameworks.
• Silicone Polymer Synthesis: Acts as a monomer or cross-linking agent in the production of modified polysiloxanes with specific mechanical or chemical properties.
• Chromatography Stationary Phases: Used to derivatize silica gel for HPLC and GC columns, creating phases with specific selectivity.
• Adhesive & Sealant Formulations: Incorporated to enhance the bonding performance and environmental resistance of silicone-based adhesives and sealants.

Basic Information

Product Name	3-Chloropropyldimethylchlorosilane
CAS No.	10605-40-0
Molecular Formula	C5H12Cl2Si
Molecular Weight	171.14 g/mol
Synonyms	Chloromethyldimethyl(3-chloropropyl)silane; (3-Chloropropyl)dimethylchlorosilane; Dimethyl(3-chloropropyl)chlorosilane; 3-Chloropropyldimethylsilyl chloride; (3-Chloropropyl)chlorodimethylsilane; Silane, chlorodimethyl(3-chloropropyl)-; 1-Chloro-3-(chlorodimethylsilyl)propane
EINECS	234-245-1

Quality Control

Our 3-Chloropropyldimethylchlorosilane is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its moisture-sensitive and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.08 - 1.10 g/mL
Refractive Index (n20D)	1.450 - 1.455

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