Description

1,3-Divinyl-1,3-Diphenyl-1,3-Dimethyldisiloxane is a specialized organosilicon compound featuring a disiloxane backbone with reactive vinyl and phenyl substituents. This unique structure makes it a valuable high-purity intermediate for synthesizing advanced silicone polymers and hybrid materials. It is primarily used by manufacturers in the silicone elastomer, adhesive, and specialty resin industries seeking to incorporate specific functional groups for enhanced cross-linking, thermal stability, and mechanical properties.

Application

• Cross-linking Agent: A key monomer for the synthesis of addition-cure silicone rubbers (High Consistency Rubber - HCR and Liquid Silicone Rubber - LSR).
• Silicone Polymer Modification: Used to introduce vinyl functional groups into polysiloxane chains, tailoring reactivity for specific curing systems.
• Hybrid Material Synthesis: Serves as a building block for creating silicone-organic copolymers with unique properties for coatings and composites.
• Adhesive & Sealant Formulations: Imparts improved adhesion and flexibility in high-performance silicone-based adhesives.
• Release Coatings: A component in formulations for paper and film release liners.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organosilicon chemistry and material science.

Basic Information

Item	Detail
Product Name	1,3-Divinyl-1,3-Diphenyl-1,3-Dimethyldisiloxane
CAS No.	2627-97-6
Molecular Formula	C18H22OSi2
Molecular Weight	310.54 g/mol
Synonyms	Divinyldiphenyldimethyldisiloxane; 1,3-Dimethyl-1,3-diphenyl-1,3-divinyldisiloxane; Bis(vinylphenylmethylsiloxy)methane; Vinylphenylmethylsiloxane dimer; Disiloxane, 1,3-divinyl-1,3-diphenyl-1,3-dimethyl-; Tetramethyldivinyldiphenyldisiloxane (common name); DPDVDS (abbreviation)
EINECS	220-101-7

Quality Control

Our 1,3-Divinyl-1,3-Diphenyl-1,3-Dimethyldisiloxane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a critical chemical intermediate. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.1 %

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