Description

1,3-Diallyltetramethyldisiloxane is a versatile organosilicon compound featuring reactive allyl groups on a disiloxane backbone. This structure makes it a valuable intermediate for synthesizing specialty silicone polymers and cross-linking agents. It is primarily sought after by manufacturers in the silicone industry for creating custom siloxane networks with tailored properties. The compound is supplied with high purity to ensure consistent performance in advanced material formulations.

Application

• Silicone Cross-linking Agent: A key monomer for introducing reactive sites into silicone polymers, enabling controlled cross-linking and network formation.
• Synthesis of Functional Siloxanes: Serves as a building block for creating custom siloxane oligomers and polymers with pendant allyl groups for further modification.
• Hydrosilylation Reactions: The allyl groups readily participate in hydrosilylation, making it essential for producing modified silicones with specific organic functionalities.
• Adhesive & Sealant Formulations: Used to develop silicone-based adhesives and sealants with enhanced cure characteristics and adhesion properties.
• Release Coatings & Liners: A precursor in the synthesis of silicone release agents for labels, tapes, and industrial liners.
• Specialty Elastomers: Incorporated into formulations for high-performance silicone rubbers, influencing their mechanical and thermal stability.

Basic Information

Product Name	1,3-Diallyltetramethyldisiloxane
CAS No.	17955-81-6
Molecular Formula	C10H22OSi2
Molecular Weight	214.45 g/mol
Synonyms	1,3-Diallyl-1,1,3,3-tetramethyldisiloxane; Tetramethyl-1,3-diallyldisiloxane; Diallyltetramethyldisiloxane; Allyl-Terminated Tetramethyldisiloxane; Bis(allyldimethylsilyl) Ether; 1,3-Bis(allyldimethylsilyloxy)dimethylsilane (alternative representation); Disiloxane, 1,3-diallyl-1,1,3,3-tetramethyl-
EINECS	Contact for details

Quality Control

Our 1,3-Diallyltetramethyldisiloxane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting requirements of advanced silicone synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. For long-term storage under inert atmosphere (nitrogen or argon) is recommended to maintain product integrity. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.425 - 1.430
Density (20°C)	0.85 - 0.87 g/mL

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