Description

Cyclopentamethylenedichlorosilane is a specialized organosilicon compound, also known as 1,1-Dichloro-1-silacyclohexane. This chemical serves as a critical precursor and building block in advanced material synthesis, valued for its reactive dichlorosilane functionality. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty polymer sectors seeking to incorporate silicon into complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key synthon for introducing silicon-containing moieties in drug discovery and active pharmaceutical ingredient (API) development.
• Agrochemical Synthesis: Used in the production of silicon-based pesticides, herbicides, and plant growth regulators.
• Silicone Polymer Modification: Acts as a cross-linking agent or functional monomer for creating specialty silicones with tailored properties.
• Surface Treatment Agent: Employed in the surface modification of inorganic materials like silica or metals to alter hydrophobicity and adhesion.
• Laboratory Reagent: Serves as a versatile reagent in academic and industrial research for organosilicon chemistry.
• Semiconductor Precursor: Potential use in chemical vapor deposition (CVD) processes for depositing silicon-containing thin films.

Basic Information

Product Name	Cyclopentamethylenedichlorosilane
CAS No.	2406-34-0
Molecular Formula	C5H10Cl2Si
Molecular Weight	169.12 g/mol
Synonyms	1,1-Dichloro-1-silacyclohexane; Dichloro(cyclopentamethylene)silane; Silacyclohexane, 1,1-dichloro-; 1-Silacyclohexane, 1,1-dichloro-; Cyclopentamethylene dichlorosilane; Dichlorosilacyclohexane; (Dichlorosilyl)cyclopentane
EINECS	219-302-8

Quality Control

Our Cyclopentamethylenedichlorosilane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and NMR spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.15 - 1.20 g/mL
Refractive Index (n20D)	1.470 - 1.480

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