Description

1,1,1,4,7,7,7-Heptamethyl-4-Vinyltrisilethylene is a specialized organosilicon compound featuring a unique trisilethylene backbone with methyl and vinyl substituents. This structure is critical for its role as a versatile building block and crosslinking agent in advanced silicone polymer synthesis. It is primarily sought after by R&D chemists and production engineers in the silicone manufacturing and specialty materials sectors. The compound's reactive vinyl group enables precise modification of polymer properties, making it essential for creating high-performance materials.

Application

• Silicone Polymer Synthesis: A key monomer for producing modified polysiloxanes with tailored mechanical and thermal properties.
• Crosslinking Agent: Used in the formulation of heat-cured silicone rubbers (HCR) and liquid silicone rubbers (LSR) to enhance elasticity and durability.
• Surface Modification: Imparts hydrophobic or release properties to surfaces in coatings and treatment applications.
• Adhesive & Sealant Formulations: Contributes to the performance of high-temperature and flexible silicone-based adhesives and sealants.
• Specialty Resins: Serves as a reactive intermediate in the development of silicone resins for electronics and composite materials.
• Research & Development: Utilized in academic and industrial labs for exploring novel organosilicon chemistry and material science.

Basic Information

Product Name	1,1,1,4,7,7,7-Heptamethyl-4-Vinyltrisilethylene
CAS No.	102105-40-8
Molecular Formula	C13H32Si3
Molecular Weight	272.66 g/mol
Synonyms	4-Ethenyl-1,1,1,4,7,7,7-heptamethyl-3,5,6-trisilaheptane; 1,1,1,4,7,7,7-Heptamethyl-4-vinyl-3,5,6-trisilaheptane; Vinyltris(methylsiloxy)methylsilane; Tris(trimethylsiloxy)vinylsilane; Vinyltris(trimethylsiloxy)silane; VTTMSS; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 1,1,1,4,7,7,7-Heptamethyl-4-Vinyltrisilethylene is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and product loss.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.85 - 0.90 g/cm³
Refractive Index (n20D)	1.410 - 1.420

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