Description

1,4-Bis(Vinyldimethylsilyl)Benzene is a high-purity organosilicon compound featuring a central benzene ring symmetrically substituted with vinyldimethylsilyl groups. This unique molecular architecture makes it a critical cross-linking agent and reactive monomer for synthesizing advanced silicone polymers and hybrid organic-inorganic materials. It is essential for manufacturers in the silicone elastomer, specialty resin, and advanced material coating sectors who require precise control over polymer network formation and thermal/mechanical properties.

Application

• Cross-linking Agent for High-Performance Silicones: Used in the production of heat-cured silicone rubbers (HCR) and liquid silicone rubbers (LSR) to enhance cross-link density, improving tensile strength and compression set.
• Monomer for Silicone Resins: Serves as a key building block in the synthesis of phenyl-containing silicone resins, which offer superior thermal stability, UV resistance, and dielectric properties for protective coatings and electronic encapsulants.
• Precursor for Hybrid Materials: Employed in sol-gel processes and polymerizations to create organic-inorganic hybrid (OIH) materials with tailored properties for optical, membrane, and composite applications.
• Surface Modification Reagent: The vinyl groups allow for grafting onto various substrates, enabling surface functionalization to alter wettability, adhesion, or introduce reactive sites.
• Intermediate for Specialty Chemicals: Acts as a versatile synthon in organometallic chemistry and catalysis research for developing novel ligands and functional materials.

Basic Information

Product Name	1,4-Bis(Vinyldimethylsilyl)Benzene
CAS No.	4519-17-9
Molecular Formula	C14H22Si2
Molecular Weight	246.50 g/mol
Synonyms	p-Bis(vinyldimethylsilyl)benzene; 1,4-Bis(dimethylvinylsilyl)benzene; Benzene, 1,4-bis[(ethenyldimethylsilyl)]-; Divinyltetramethyl-p-phenylenedisilane; Vinyl-terminated phenyl silane; BVS-Benzene; DMS-V31 (common trade name reference); p-Phenylene bis(dimethylvinylsilane)
EINECS	Contact for details

Quality Control

Our production of 1,4-Bis(Vinyldimethylsilyl)Benzene adheres to a stringent quality management system. Every batch is analyzed using advanced techniques like GC and NMR to ensure high purity and consistent performance as a polymer intermediate. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our commitment to traceability and reliability supports your critical R&D and manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.510 - 1.520
Density (20°C)	0.92 - 0.96 g/mL

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