Description

3-[(Dimethylvinylsilyl)Oxy]-3-Hexyl-1,1,5,5-Tetramethyl-1,5-Divinyltrisiloxane is a specialized organosilicon compound featuring a unique blend of vinyl and hexyl functional groups on a trisiloxane backbone. This molecular architecture makes it a highly versatile reactive intermediate and crosslinking agent for advanced silicone polymers. It is essential for manufacturers seeking to develop materials with tailored properties such as enhanced hydrophobicity, flexibility, and thermal stability. Key industries that utilize this compound include silicone elastomers, high-performance release coatings, and specialty adhesives and sealants.

Application

• Crosslinking Agent for Silicone Elastomers: Imparts superior mechanical properties and crosslink density in high-consistency rubber (HCR) and liquid silicone rubber (LSR) formulations.
• Intermediate for Functional Silicone Fluids: Serves as a key building block in the synthesis of custom silicone oils and fluids with specific rheological and surface characteristics.
• Release Coating Formulations: Used in the production of high-performance, non-migratory release liners for labels and tapes.
• Adhesive & Sealant Modifier: Enhances adhesion, flexibility, and environmental resistance in advanced silicone-based adhesive and sealant systems.
• Surface Treatment Agent: Provides durable hydrophobic and oleophobic surface modifications for textiles, paper, and fillers.
• Silicone Resin Synthesis: Acts as a reactive monomer for creating branched or cage-like silicone resins with high thermal stability.

Basic Information

Product Name	3-[(Dimethylvinylsilyl)Oxy]-3-Hexyl-1,1,5,5-Tetramethyl-1,5-Divinyltrisiloxane
CAS No.	60111-51-5
Molecular Formula	C20H44O3Si4
Molecular Weight	468.94 g/mol
Synonyms	1,1,5,5-Tetramethyl-3-hexyl-1,5-divinyl-3-[(dimethylvinylsilyl)oxy]trisiloxane; Hexyl-divinyl-trisiloxane derivative; Vinyl-functionalized trisiloxane; 3-Hexyl-1,1,5,5-tetramethyl-1,5-divinyl-3-((dimethylvinylsilyl)oxy)trisiloxane; Reactive silicone intermediate; Divinylhexyltrisiloxane; Organosilane crosslinker
EINECS	Contact for details

Quality Control

Our production of 3-[(Dimethylvinylsilyl)Oxy]-3-Hexyl-1,1,5,5-Tetramethyl-1,5-Divinyltrisiloxane adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. All materials undergo rigorous analytical testing, including chromatography and spectroscopy, to verify identity, assay, and impurity profiles. Certificates of Analysis (COA) detailing specific results are provided with each shipment. We operate in compliance with ISO 9001 standards, and our quality system is designed to meet the exacting requirements of the silicone polymer industry.

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). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent hydrolysis and maintain stability. Isolate from strong oxidizing agents and acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.90 - 0.95 g/cm³
Refractive Index (n20D)	1.430 - 1.440
Viscosity (at 25°C)	Contact for details
Water Content (KF)	≤ 0.1%

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