Description

Octyl Dichlorosilane is a versatile organosilicon compound that serves as a critical intermediate in the synthesis of functional silanes and silicone polymers. Its value lies in its ability to introduce hydrophobic octyl groups and reactive sites into materials, enhancing properties like water repellency and adhesion. This chemical is essential for manufacturers in the silicone industry, specialty chemical producers, and R&D laboratories developing advanced coatings, sealants, and surface modifiers.

Application

• Silicone Intermediate: A key precursor for manufacturing octyl-functional silanes and silicone oils, imparting hydrophobic characteristics.
• Surface Modification Agent: Used to treat inorganic fillers (e.g., silica, glass) to improve their compatibility and dispersion in organic polymer matrices.
• Water Repellent Coatings: Employed in the formulation of durable water-repellent treatments for textiles, construction materials, and stone.
• Adhesion Promoter: Acts as a coupling agent in composite materials and adhesive systems to enhance bonding between organic and inorganic phases.
• Pharmaceutical & Chemical Synthesis: Serves as a building block in organic synthesis for introducing silicon-containing functional groups.
• Research & Development: Utilized in academic and industrial R&D for developing novel silicone-based materials and studying surface chemistry.

Basic Information

Product Name	Octyl Dichlorosilane
CAS No.	871-97-6
Molecular Formula	C8H18Cl2Si
Molecular Weight	213.22 g/mol
Synonyms	Dichloro(octyl)silane; n-Octyldichlorosilane; Octylsilicon dichloride; 1-Octyldichlorosilane; Dichlorooctylsilane; Silane, dichlorooctyl-; Octyltrichlorosilane (common misnomer, verify structure); Caprylyldichlorosilane
EINECS	212-819-0

Quality Control

Our Octyl Dichlorosilane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets exacting standards for industrial and research applications. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials such as bases, alcohols, and oxidizing agents. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.98 - 1.02 g/mL
Refractive Index (n20D)	1.435 - 1.445
Chloride Content	32.0 - 34.0 %

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