Description

Chloro-[(Chloro-Dimethyl-Silyl)Methyl]-Dimethyl-Silane is a specialized organosilicon compound featuring dual reactive chlorosilane groups. This bifunctional structure is critical for its role as a versatile building block and cross-linking agent in advanced material synthesis. It is primarily needed by manufacturers in the silicone polymer, specialty adhesives, and surface modification industries seeking to introduce specific functional groups or enhance material properties.

Application

• Silicone Polymer Modification: Acts as a key monomer or cross-linker for synthesizing novel polysiloxanes with tailored mechanical and thermal properties.
• Surface Functionalization Agent: Used to modify inorganic surfaces (e.g., silica, glass) by forming stable siloxane bonds, imparting hydrophobic or other specific surface characteristics.
• Adhesive & Sealant Formulations: Serves as an adhesion promoter and curing agent in high-performance silicone-based adhesives and sealants.
• Intermediate for Silane Coupling Agents: A crucial precursor in the synthesis of more complex bifunctional silane coupling agents used in composite materials.
• Protective Coatings: Incorporated into coatings to improve chemical resistance, durability, and bonding to substrates.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of organosilicon compounds with potential biological activity.

Basic Information

Item	Detail
Product Name	Chloro-[(Chloro-Dimethyl-Silyl)Methyl]-Dimethyl-Silane
CAS No.	5357-38-0
Molecular Formula	C5H13Cl2Si2
Molecular Weight	203.23 g/mol
Synonyms	(Chlorodimethylsilyl)methyl(chloro)dimethylsilane; 1,1'-(Methylenebis(chlorodimethylsilane)); Bis(chlorodimethylsilyl)methane; Dichlorobis(dimethylsilyl)methane; Methylenebis(chlorodimethylsilane); Chloromethyl-bis(chlorodimethylsilane); (Dimethylchlorosilyl)methyl-dimethylchlorosilane
EINECS	226-324-5

Quality Control

Our production of Chloro-[(Chloro-Dimethyl-Silyl)Methyl]-Dimethyl-Silane adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC and NMR to verify identity, purity, and absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; therefore, it must be kept under an inert atmosphere (e.g., nitrogen or argon) and away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.00 - 1.05 g/cm³
Refractive Index (n20D)	1.450 - 1.460

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