Description

p-Bis(Dimethylmethoxysilyl)Benzene is a specialized organosilicon compound featuring a central benzene ring symmetrically substituted with dimethylmethoxysilyl groups. This structure makes it a valuable bifunctional monomer and coupling agent, offering unique reactivity for creating advanced polymeric materials and surface modifications. It is particularly essential for manufacturers in the silicone polymer, advanced materials, and electronics industries seeking to enhance material properties through tailored siloxane linkages.

Application

• Silicone Polymer Synthesis: Acts as a key monomer or chain extender in the production of high-performance silicone resins, elastomers, and copolymers.
• Surface Modification Agent: Used to functionalize inorganic surfaces (e.g., silica, glass, metals) to improve adhesion, dispersion, or hydrophobicity in composite materials.
• Crosslinking Agent: Serves as a crosslinker in silicone-based sealants, adhesives, and coatings to enhance thermal stability and mechanical strength.
• Precursor for Advanced Materials: A critical intermediate in the synthesis of silane-based dendrimers, liquid crystalline polymers, and other specialty organic-inorganic hybrid materials.
• Electronics and Semiconductor Industry: Utilized in the formulation of dielectric materials, encapsulants, and passivation layers due to its stable siloxane-forming capability.

Basic Information

Product Name	p-Bis(Dimethylmethoxysilyl)Benzene
CAS No.	131182-68-8
Molecular Formula	C12H22O2Si2
Molecular Weight	254.48 g/mol
Synonyms	1,4-Bis(dimethylmethoxysilyl)benzene; p-Bis(dimethylmethoxysilyl)benzene; Benzene, 1,4-bis[(dimethylmethoxysilyl)]-; 1,4-Bis[(dimethylmethoxy)silyl]benzene; Dimethylmethoxy[4-(dimethylmethoxysilyl)phenyl]silane; Bis(dimethylmethoxysilyl)benzene (para-isomer); p-Phenylene bis(dimethylmethoxysilane)
EINECS	Contact for details

Quality Control

Our production of p-Bis(Dimethylmethoxysilyl)Benzene adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and Karl Fischer titration. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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