Description

1,3-Bis(Chloromethyldimethysiloxy)Benzene is a specialized organosilicon compound, CAS NO 203785-58-4, valued for its role as a key intermediate in the synthesis of advanced silicone polymers and functional materials. Its molecular structure, featuring reactive chloromethyl and siloxy groups, makes it a versatile building block for introducing aromatic and cross-linking functionalities into polymer backbones. This chemical is essential for R&D and production in high-performance material sectors seeking to enhance thermal stability, mechanical properties, and chemical resistance.

Application

• Silicone Polymer Synthesis: A critical monomer or cross-linking agent for producing high-temperature resistant and mechanically robust silicone resins and elastomers.
• Advanced Material Manufacturing: Used in the development of specialty coatings, adhesives, and sealants that require enhanced durability and chemical inertness.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of complex organic molecules and drug candidates within research laboratories.
• Electronics Industry: Employed in the formulation of encapsulants and potting compounds for electronic components due to its potential for creating stable polymeric matrices.
• Chemical Research & Development: Utilized as a versatile reagent for introducing siloxane linkages and aromatic units into novel copolymer structures.

Basic Information

Product Name	1,3-Bis(Chloromethyldimethylsiloxy)Benzene
CAS No.	203785-58-4
Molecular Formula	C14H24Cl2O2Si2
Molecular Weight	363.42 g/mol
Synonyms	1,3-Bis[(chloromethyl)dimethylsiloxy]benzene; Benzene, 1,3-bis[(chloromethyl)dimethylsiloxy]-; m-Bis(chloromethyldimethylsiloxy)benzene; 1,3-Bis(chloromethyldimethylsilyloxy)benzene; Bis(chloromethyldimethylsiloxy)benzene; Chloromethyl-dimethyl-(3-(chloromethyldimethylsiloxy)phenoxy)silane
EINECS	Contact for details

Quality Control

Our production of 1,3-Bis(Chloromethyldimethylsiloxy)Benzene adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory compliance needs.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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