Description

Bis(3-Chloropropyl)Dichlorosilane is a versatile organosilicon compound that serves as a critical intermediate in advanced material synthesis. Its bifunctional structure, featuring both chlorosilane and chloropropyl groups, makes it a valuable building block for creating specialized silicone polymers and surface-modifying agents. This chemical is essential for manufacturers in the silicone, pharmaceutical, and electronics industries seeking to develop products with tailored properties such as enhanced adhesion, chemical resistance, or specific reactivity.

Application

• Silicone Polymer Synthesis: A key monomer for the production of specialty polysiloxanes and silicone elastomers with unique chain structures.
• Surface Modification Agent: Used to functionalize inorganic surfaces (e.g., silica, glass) with chloropropyl groups for subsequent chemical grafting.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of silane-based drug candidates and bioactive molecules.
• Adhesion Promoters: Incorporated into primers and coatings to improve the bonding of silicones to various substrates.
• Crosslinking Agent: Employed in the formulation of heat-curable silicone resins and rubbers.
• Research & Development: Utilized in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Bis(3-Chloropropyl)Dichlorosilane
CAS No.	33317-65-6
Molecular Formula	C6H12Cl4Si
Molecular Weight	242.06 g/mol
Synonyms	Dichlorobis(3-chloropropyl)silane; 1,1-Dichloro-1-sila-2,8-dichlorooctane; Bis(3-chloropropyl)dichlorosilane; 3-Chloropropyldichlorosilane dimer (informal); Dichlorosilane, bis(3-chloropropyl)-; Silane, dichlorobis(3-chloropropyl)-
EINECS	Contact for details

Quality Control

Every batch of Bis(3-Chloropropyl)Dichlorosilane is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards through rigorous analytical protocols, including GC, NMR, and titration methods, to verify identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee product integrity and support your quality assurance processes.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.25 g/mL
Refractive Index (n20D)	~1.480

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