Description

Diallyldimethylsilane is a highly versatile organosilicon compound characterized by its reactive allyl groups and silicon center. This chemical serves as a critical building block in advanced material synthesis, offering unique reactivity for cross-linking and polymer modification. It is essential for R&D chemists and production engineers in the silicone polymer, specialty coatings, and adhesive industries seeking to enhance material properties through tailored molecular architecture.

Application

• Silicone Polymer Synthesis: A key monomer or cross-linking agent for producing modified polysiloxanes with improved thermal stability and mechanical properties.
• Hydrosilylation Reactions: Acts as a silicon hydride source in platinum-catalyzed additions to alkenes and alkynes for creating custom silane derivatives.
• Surface Modification & Coupling Agents: Used to functionalize inorganic surfaces (e.g., silica, glass) to promote adhesion between organic polymers and inorganic substrates.
• Release Coatings & Pressure-Sensitive Adhesives: Imparts specific release characteristics and modulates adhesive performance in silicone-based formulations.
• Rubber & Elastomer Manufacturing: Incorporated as a cross-linker or modifier to enhance the cure profile and final properties of silicone rubbers.
• Pharmaceutical & Agro-Intermediate Synthesis: Serves as a specialized synthetic intermediate for constructing complex molecules containing silicon.
• Research & Development: A valuable reagent in academic and industrial labs for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Diallyldimethylsilane
CAS No.	1113-12-8
Molecular Formula	C8H16Si
Molecular Weight	140.30 g/mol
Synonyms	Dimethyldiallylsilane; Diallyldimethylsilicon; (Dimethylsilyl)dipropene; Silane, diallyldimethyl-; 1,1-Dimethyl-1-sila-2,5-heptadiene; NCI-C60915; Diallyl(dimethyl)silane; DADMS
EINECS	214-200-7

Quality Control

Our Diallyldimethylsilane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee it meets your precise technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature: 2-8°C (refrigerated) for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.75 - 0.78 g/mL
Refractive Index (n20/D)	1.430 - 1.435
Water Content (KF)	≤ 0.1%

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