Description

p-Bis(Trimethoxysilylmethyl)Benzene is a specialized organosilicon compound featuring a central benzene ring symmetrically substituted with trimethoxysilylmethyl groups. This unique structure makes it a valuable bifunctional silane coupling agent and crosslinking precursor, essential for creating robust polymer networks and enhancing material interfaces. It is primarily used by manufacturers in the silicone rubber, advanced composites, and specialty coatings industries seeking to improve adhesion, thermal stability, and mechanical properties.

Application

• Crosslinking Agent for Silicone Polymers: Used to enhance the heat resistance and mechanical strength of high-performance silicone elastomers and resins.
• Coupling Agent in Composite Materials: Improves the interfacial adhesion between inorganic fillers (like silica, glass fibers) and organic polymer matrices in advanced composites.
• Surface Modification of Fillers: Treats mineral or nano-fillers to increase compatibility and dispersion within various plastic and rubber compounds.
• Adhesion Promoter in Coatings and Sealants: Formulated into primers and adhesives to boost bonding to difficult substrates such as metals, glass, and plastics.
• Precursor for Hybrid Organic-Inorganic Materials (ORMOSIL): Serves as a key monomer in sol-gel processes to create materials with tailored optical, mechanical, or barrier properties.
• Intermediate in Pharmaceutical and Agrochemistry Synthesis: Utilized in the production of specialized silicon-containing active ingredients or functional molecules.

Basic Information

Product Name	p-Bis(Trimethoxysilylmethyl)Benzene
CAS No.	193358-40-6
Molecular Formula	C14H26O6Si2
Molecular Weight	346.53 g/mol
Synonyms	1,4-Bis(trimethoxysilylmethyl)benzene; p-Xylylene-bis(trimethoxysilane); α,α'-Bis(trimethoxysilyl)-p-xylene; Bis(trimethoxysilylmethyl)benzene; p-Bis(trimethoxysilylmethyl)benzol; (p-Phenylenedimethylene)bis(trimethoxysilane); SIB1836.0 (potential trade name); p-Xylylenedimethylenebis(trimethoxysilane)
EINECS	Contact for details

Quality Control

Our production of p-Bis(Trimethoxysilylmethyl)Benzene adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) upon request, ensuring full traceability and compliance with your specific application requirements and internal quality standards.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent degradation due to atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.460 - 1.470
Density (20°C)	1.05 - 1.10 g/cm³
Moisture (KF)	≤ 0.5%

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