Intermediates

Octyldimethylchlorosilane

  • CAS No.18162-84-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Octyldimethylchlorosilane (CAS 18162-84-0) is a colorless liquid intermediate designed for advanced organic synthesis and surface modification applications.

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Product Technical Details

Product Overview

Octyldimethylchlorosilane is a premier organosilicon intermediate designed for sophisticated chemical synthesis and surface modification processes. As a colorless liquid with high reactivity at the silicon-chlorine bond, this compound serves as a critical building block in the production of specialized silicone polymers and hydrophobic coatings. Our manufacturing facility ensures consistent quality through rigorous distillation and purification protocols, delivering a product that meets the demanding standards of modern industrial chemistry.

This silane coupling agent is particularly valued for its ability to introduce octyldimethylsilyl groups into organic molecules. The stability of the silicon-carbon bond combined with the lability of the silicon-chlorine bond allows for versatile functionalization. Researchers and process engineers rely on this material for creating moisture-resistant surfaces and enhancing the compatibility of inorganic fillers within organic matrices.

Technical Specifications

ParameterSpecification
CAS Number18162-84-0
Molecular FormulaC10H23ClSi
Molecular Weight206.83 g/mol
AppearanceColorless Transparent Liquid
Purity (GC)≥97.0%
Density0.873 g/mL at 25 °C
Boiling Point222-225 °C
Refractive Indexn20/D 1.435

Industrial Applications

The primary application of Octyldimethylchlorosilane lies in organic synthesis where it acts as a protecting group or a silylating agent. It is extensively used in the pharmaceutical and agrochemical sectors to modify the solubility and stability of active intermediates. Additionally, this chemical is indispensable in the production of silicone fluids and resins that require specific chain termination or side-chain modification.

In materials science, it functions as a surface treatment agent for glass, metals, and minerals. By forming a durable hydrophobic layer, it prevents water absorption and corrosion, extending the lifespan of composite materials. The high purity grade we supply ensures minimal side reactions, which is crucial for high-value manufacturing processes where yield and reproducibility are paramount.

Quality Assurance and Handling

Every batch undergoes comprehensive analysis including gas chromatography and physical property testing to verify compliance with factory standards. We provide a Certificate of Analysis (COA) with each shipment to guarantee traceability and quality. Due to the moisture-sensitive nature of chlorosilanes, proper storage in sealed containers under inert atmosphere is recommended to maintain integrity.

Our global supply chain ensures timely delivery while maintaining strict safety protocols during transportation. We are committed to supporting our partners with technical data and regulatory documentation to facilitate smooth integration into your production workflows. For large-scale requirements, customized packaging and logistics solutions are available upon request to optimize your procurement strategy.