Description

Bis[1,3-Bis( 2-Ethenyl)-1,1,3,3-Tetramethyldisiloxane]Platinum is a highly specialized organoplatinum complex primarily used as a catalyst in hydrosilylation reactions. This compound is critical for enabling the efficient cross-linking and curing of silicone polymers, directly impacting the performance and durability of the final materials. It is an essential component for manufacturers in the silicone elastomer, adhesive, sealant, and specialty coatings industries who require precise control over cure kinetics and final product properties.

Application

• Primary catalyst for the hydrosilylation (addition cure) of silicone polymers and resins.
• Manufacture of high-performance silicone elastomers and rubbers for automotive, aerospace, and medical applications.
• Production of silicone adhesives and sealants with excellent thermal stability and environmental resistance.
• Curing agent for silicone release coatings used in pressure-sensitive labels and tapes.
• Key component in formulating liquid silicone rubber (LSR) for injection molding.
• Catalyst for creating silicone potting compounds and encapsulants in electronics.
• Used in the synthesis of modified silicones and specialty organosilicon compounds.

Basic Information

Product Name	Bis[1,3-Bis( 2-Ethenyl)-1,1,3,3-Tetramethyldisiloxane]Platinum
CAS No.	81032-58-8
Molecular Formula	C20H44O2PtSi4
Molecular Weight	623.98 g/mol
Synonyms	Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex; Platinum-divinyltetramethyldisiloxane complex; Karstedt's catalyst; Pt(dvs); Platinum(0)-divinyltetramethyldisiloxane; Platinum-1,3-divinyl-1,1,3,3-tetramethyldisiloxane; Bis(divinyltetramethyldisiloxane)platinum(0); Platinum(0)-dvs complex
EINECS	Contact for details

Quality Control

Our Bis[1,3-Bis( 2-Ethenyl)-1,1,3,3-Tetramethyldisiloxane]Platinum is produced under stringent quality management systems to ensure batch-to-batch consistency and catalytic performance. Each lot is analyzed to confirm platinum content, purity, and activity. A comprehensive Certificate of Analysis (COA) detailing specific parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C (refrigerated) to maintain long-term stability and catalytic activity. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Clear, light yellow to amber liquid
Identification (IR)	Conforms to structure
Platinum (Pt) Content	Contact for details
Assay (NMR)	≥ 95%
Specific Gravity (25°C)	Contact for details
Refractive Index (n20D)	Contact for details

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