Description

(Dichloromethyl)Dimethylchlorosilane is a highly reactive organosilicon compound that serves as a versatile building block in advanced organic synthesis. Its value lies in its ability to introduce functionalized silyl groups, enabling the creation of complex molecular architectures and specialty materials. This chemical is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise and reliable intermediates for their synthesis workflows.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules, particularly those requiring silicon-containing functional groups.
• Agrochemical Synthesis: Acts as a key precursor in the production of advanced pesticides, herbicides, and fungicides with tailored properties.
• Surface Modification Agent: Employed to functionalize silica, glass, and other inorganic surfaces, altering their hydrophobicity and reactivity for specialized coatings.
• Polymer & Resin Chemistry: Serves as a monomer or cross-linking agent in the development of specialty silicones, siloxane-based polymers, and high-performance resins.
• Chemical Research & Development: A critical reagent in academic and industrial R&D labs for exploring new organosilicon chemistry and developing novel synthetic methodologies.
• Adhesive & Sealant Formulations: Used to enhance the performance and durability of industrial adhesives and sealants through silyl modification.

Basic Information

Product Name	(Dichloromethyl)Dimethylchlorosilane
CAS No.	18171-59-0
Molecular Formula	C3H7Cl3Si
Molecular Weight	177.53 g/mol
Synonyms	Dimethyl(dichloromethyl)chlorosilane; Chloro(dichloromethyl)dimethylsilane; Dichloromethylchlorodimethylsilane; (Dichloromethyl)chlorodimethylsilane; Dimethylchloro(dichloromethyl)silane; (Dichloromethyl)dimethylsilyl chloride; 18171-59-0; Dichloromethyl-dimethyl-chlorosilane
EINECS	242-060-1

Quality Control

Our (Dichloromethyl)Dimethylchlorosilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This compound is highly volatile and hygroscopic (moisture-sensitive). Keep away from strong acids, bases, and oxidizing agents. Use under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.20 - 1.25 g/mL
Refractive Index (n20D)	1.450 - 1.460
Water Content (KF)	≤ 0.1%

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