Description

1,1,3,5,5-Pentamethyl-3-Phenyl-1,5-Divinyltrisiloxane is a specialized organosilicon compound featuring a unique trisiloxane backbone functionalized with phenyl and vinyl groups. This structure is critical for its role as a reactive intermediate and cross-linking agent in advanced silicone polymer synthesis. It is essential for manufacturers in the silicone elastomer, resin, and specialty coatings industries seeking to enhance material properties such as thermal stability, flexibility, and adhesion.

Application

• Silicone Cross-linking Agent: A key reactive component in the production of high-performance silicone rubbers and elastomers, facilitating the formation of durable, heat-resistant networks.
• Intermediate for Silicone Resins: Used in the synthesis of phenyl-containing silicone resins for high-temperature coatings, electrical insulation, and protective finishes.
• Adhesion Promoter: Enhances the bonding of silicone-based materials to various substrates, including metals, glass, and plastics, in sealant and adhesive formulations.
• Modifier for Release Coatings: Imparts controlled release properties in paper and film coatings for pressure-sensitive adhesive applications.
• Component in Hybrid Materials: Serves as a building block for creating organic-inorganic hybrid polymers with tailored mechanical and surface properties.
• Research & Development: Utilized in academic and industrial R&D for developing novel silicone-based materials with specific functional characteristics.

Basic Information

Product Name	1,1,3,5,5-Pentamethyl-3-Phenyl-1,5-Divinyltrisiloxane
CAS No.	17902-95-3
Molecular Formula	C17H30O2Si3
Molecular Weight	362.67 g/mol
Synonyms	1,1,3,5,5-Pentamethyl-3-phenyl-1,5-divinyltrisiloxane; Divinylpentamethylphenyltrisiloxane; Trisiloxane, 1,1,3,5,5-pentamethyl-3-phenyl-1,5-divinyl-; Phenylvinyltrisiloxane; Vinylphenyltrisiloxane; 3-Phenyl-1,1,3,5,5-pentamethyl-1,5-divinyltrisiloxane; Phenyl-modified vinyl trisiloxane
EINECS	Contact for details

Quality Control

Our 1,1,3,5,5-Pentamethyl-3-Phenyl-1,5-Divinyltrisiloxane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.450 - 1.460
Density (20°C)	0.95 - 1.00 g/cm³

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