Intermediates

3-Chloropropylmethyldimethoxysilane

  • CAS No.18171-19-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 3-Chloropropylmethyldimethoxysilane (CAS 18171-19-2) is a key organosilicon intermediate designed for advanced silane synthesis and surface modification applications.

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Product Technical Details

Product Overview

3-Chloropropylmethyldimethoxysilane stands as a pivotal compound within the realm of advanced organosilicon chemistry. Engineered for precision synthesis, this molecule combines a reactive chloropropyl functional group with hydrolyzable methoxy moieties attached to a silicon center. This specific structural configuration enables chemists and industrial formulators to introduce robust organic functionality onto inorganic substrates effectively. As a premier manufacturer, we deliver this intermediate with exceptional consistency, ensuring it meets the rigorous demands of downstream chemical production.

The presence of the chloro group provides a versatile site for nucleophilic substitution reactions, allowing for further derivatization into more complex silane structures. Meanwhile, the methoxy groups facilitate bonding to surfaces containing hydroxyl groups, such as glass, metals, and minerals. This dual reactivity makes the compound an indispensable tool for developing high-performance materials that require strong interfacial adhesion and chemical stability.

Technical Specifications

ParameterSpecification
Chemical Name3-Chloropropylmethyldimethoxysilane
CAS Number18171-19-2
Molecular FormulaC6H15ClO2Si
Molecular Weight182.72 g/mol
AppearanceColorless transparent liquid
Purity (GC)≥99.0%
Density1.025 g/cm3
Boiling Point70°C
Flash Point80°C
Refractive Index1.427

Industrial Applications

Primarily utilized as a strategic intermediate, this silane serves as a foundational building block for synthesizing other functional organosilanes. Its applications span across multiple high-value sectors including polymer modification, adhesive formulation, and composite material manufacturing. In the production of specialty coatings, it enhances the durability and weather resistance of the final product by promoting superior adhesion between organic polymers and inorganic fillers.

Furthermore, the compound is frequently employed in surface treatment processes where long-term stability is critical. The methyl group on the silicon atom provides steric hindrance that can improve the hydrolytic stability of the resulting siloxane bonds compared to fully hydrolyzable analogs. This characteristic is particularly valuable in environments exposed to moisture or varying pH levels. Researchers also leverage this chemical for creating custom cross-linking agents that tailor the mechanical properties of elastomers and resins.

Quality Assurance and Packaging

Our commitment to quality ensures that every batch of 3-Chloropropylmethyldimethoxysilane undergoes stringent analytical testing. We utilize gas chromatography to verify purity levels exceeding 99.0%, minimizing impurities that could interfere with sensitive synthesis routes. Each shipment is accompanied by a comprehensive Certificate of Analysis (COA) to validate compliance with international standards.

To maintain product integrity during logistics, we offer flexible packaging solutions tailored to client needs. Standard packaging includes 200 kg drums, which are sealed to prevent moisture ingress and contamination. We recommend storing the material in a cool, ventilated area away from direct sunlight and incompatible substances. Our global supply chain capabilities ensure timely delivery to manufacturing facilities worldwide, supporting continuous production schedules without interruption.