Description

Dicyclopentyldichlorosilane is a high-purity organosilicon compound, specifically a dichlorosilane derivative, that serves as a critical building block in advanced material synthesis. Its value lies in its dual reactive sites, which enable precise molecular engineering for creating tailored silicone polymers and surface-modifying agents. This chemical is essential for R&D and production teams in the specialty chemicals, advanced materials, and electronics sectors seeking to develop products with specific hydrophobic, release, or dielectric properties.

Application

• Silicone Polymer Synthesis: A key monomer for the production of specialty cyclopentyl-substituted polysiloxanes and silicone resins with enhanced thermal stability and specific refractive indices.
• Surface Modification & Coupling Agents: Used to create hydrophobic coatings on glass, silica, and other inorganic surfaces, improving water repellency and adhesion in composite materials.
• Pharmaceutical & Agro-Intermediate Synthesis: Serves as a versatile reagent for introducing the cyclopentylsilyl group into complex organic molecules during intermediate manufacturing.
• Semiconductor & Electronics Precursors: Investigated as a potential precursor in chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes for depositing silicon-containing thin films.
• Crosslinking Agent: Functions as a crosslinker in the formulation of high-performance silicone elastomers and sealants, contributing to improved mechanical properties.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new organosilicon chemistry, catalysis, and novel material properties.

Basic Information

Product Name	Dicyclopentyldichlorosilane
CAS No.	139147-73-2
Molecular Formula	C10H18Cl2Si
Molecular Weight	237.24 g/mol
Synonyms	Dichlorodicyclopentylsilane; Dicyclopentylsilyl Dichloride; Dichloro(dicyclopentyl)silane; Dicyclopentyl Dichlorosilane; Silane, dichlorodicyclopentyl-; (Dicyclopentyl)dichlorosilane
EINECS	Contact for details

Quality Control

Our Dicyclopentyldichlorosilane is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your quality assurance protocols.

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 material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from heat, 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
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20D)	~1.495
Water Content (KF)	≤ 0.1%

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