Description

Hexavinyldisiloxane is a versatile organosilicon compound featuring multiple vinyl groups attached to a disiloxane backbone. This unique structure makes it a valuable reactive intermediate and cross-linking agent in advanced polymer synthesis. It is essential for manufacturers in the silicone and specialty polymer industries seeking to introduce vinyl functionality for subsequent curing or modification. The compound is supplied under strict quality control to ensure consistent performance in demanding applications.

Application

• Silicone Elastomer & Rubber Cross-linking: Serves as a key cross-linker in peroxide-cured High-Consistency Rubber (HCR) and Liquid Silicone Rubber (LSR) formulations, imparting excellent mechanical properties.
• Silicone Resin & Coating Modifier: Used to introduce reactive vinyl sites into silicone resins, enhancing their adhesion, cross-link density, and compatibility with organic matrices in protective and release coatings.
• Hybrid Organic-Inorganic Polymer (OIP) Synthesis: Acts as a functional monomer or comonomer in sol-gel processes and copolymerizations to create materials with tailored thermal and mechanical characteristics.
• Adhesive & Sealant Formulations: Incorporated as a reactive diluent or cross-linking component in addition-cure (platinum-catalyzed) silicone adhesives and sealants to modify viscosity and final cure properties.
• Surface Treatment & Coupling Agent Precursor: Utilized to synthesize specialized silane coupling agents or for direct surface modification to promote adhesion between inorganic substrates and organic polymers.
• Specialty Intermediate for Fine Chemicals: Employed in organic and organometallic synthesis to build complex molecular architectures, particularly in pharmaceutical and agrochemical research.

Basic Information

Product Name	Hexavinyldisiloxane
CAS No.	75144-60-4
Molecular Formula	C12H18OSi2
Molecular Weight	234.44 g/mol
Synonyms	1,1,3,3-Tetravinyldimethyldisiloxane; Divinyltetramethyldisiloxane (common misnomer); Bis(dimethylvinylsilyl) ether; 1,3-Dimethyl-1,1,3,3-tetravinyldisiloxane; Disiloxane, 1,1,3,3-tetravinyl-1,3-dimethyl-; Vinyl-functional disiloxane; Tetravinyldimethyldisiloxane; HVDS
EINECS	Contact for details

Quality Control

Our Hexavinyldisiloxane is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing, including assay and impurity profiling, to ensure it meets precise specifications for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 2°C and 25°C. Under these conditions, the product remains stable for extended periods. Keep container tightly sealed when not in use to prevent moisture absorption and maintain purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.430 - 1.435
Density (20°C)	0.86 - 0.90 g/mL

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