Description

1,1,1,7,7,7-Hexamethyl-3,5-Bis[(Trimethylsilyl)Oxy]-3,5-Divinyltetrasiloxane is a specialized organosilicon compound featuring a unique tetrasiloxane backbone functionalized with vinyl and trimethylsiloxy groups. This molecular architecture makes it a valuable reactive intermediate and cross-linking agent in advanced silicone chemistry. It is essential for manufacturers and R&D chemists seeking to synthesize high-performance silicone polymers, resins, and hybrid materials with tailored properties.

Application

• Silicone Polymer Synthesis: Serves as a key monomer or cross-linker for producing specialty silicone elastomers, resins, and fluids with enhanced thermal stability and mechanical properties.
• Surface Modification & Coatings: Used to impart hydrophobic, oleophobic, or release characteristics to surfaces in coatings, textiles, and paper treatments.
• Adhesives & Sealants: Functions as a reactive component in formulating high-performance silicone-based adhesives and sealants that require precise curing control.
• Hybrid Organic-Inorganic Materials: A crucial building block in sol-gel processes for creating advanced hybrid materials, including optical and electronic components.
• Pharmaceutical & Cosmetic Intermediates: Employed in the synthesis of specialized silicone derivatives for controlled-release systems and personal care product formulations.
• Release Liners & Molding: Utilized in the production of release liners for labels and tapes, and as a component in mold-making materials.

Basic Information

Product Name	1,1,1,7,7,7-Hexamethyl-3,5-Bis[(Trimethylsilyl)Oxy]-3,5-Divinyltetrasiloxane
CAS No.	94071-24-6
Molecular Formula	C16H44O5Si6
Molecular Weight	509.06 g/mol
Synonyms	1,1,1,7,7,7-Hexamethyl-3,5-divinyl-3,5-bis(trimethylsiloxy)tetrasiloxane; Tetrasiloxane, 1,1,1,7,7,7-hexamethyl-3,5-bis[(trimethylsilyl)oxy]-3,5-divinyl-; 3,5-Divinyl-1,1,1,7,7,7-hexamethyl-3,5-bis(trimethylsiloxy)tetrasiloxane; Vinyl-functionalized tetrasiloxane; Divinyltetrasiloxane derivative; Bis(trimethylsiloxy)divinyltetrasiloxane; TMS-protected divinyltetrasiloxane
EINECS	Contact for details

Quality Control

Our production of 1,1,1,7,7,7-Hexamethyl-3,5-Bis[(Trimethylsilyl)Oxy]-3,5-Divinyltetrasiloxane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, GC, and FTIR, to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided to ensure full traceability and compliance with your technical requirements.

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. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.95 g/mL
Refractive Index (n20D)	~1.405

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