Description

9,9-Dimethyl-9-Silabicyclo[4.3.0]Nona-1,3,5-Triene is a specialized organosilicon compound featuring a unique silabicyclic structure with an integrated triene system, making it a valuable synthon in advanced materials chemistry. Its primary value lies in its role as a key precursor for synthesizing novel silicon-containing polymers and as a reactive intermediate in organometallic catalysis. This high-purity chemical is essential for R&D and production in the fields of advanced silicone elastomers, photoresists for semiconductor manufacturing, and specialty adhesives.

Application

• Advanced Silicone Polymer Synthesis: Serves as a critical monomer for creating novel polysiloxanes with enhanced thermal stability and optical properties.
• Semiconductor Photoresists: Used as a key component in the formulation of silicon-based, high-resolution photoresists for next-generation lithography.
• Organometallic Catalysis: Acts as a ligand or precursor in catalytic systems for hydrosilylation and cross-coupling reactions.
• Specialty Adhesives & Sealants: Incorporated to improve the flexibility, weatherability, and adhesion of high-performance silicone adhesives.
• Optoelectronic Materials: Utilized in the development of silicon-based organic light-emitting diodes (OLEDs) and other electronic materials.
• Chemical Vapor Deposition (CVD): Functions as a silicon source precursor for depositing thin silicon carbide (SiC) or silicon carbonitride films.
• Academic & Industrial R&D: A valuable building block for exploring new organosilicon chemistry and material science applications.

Basic Information

Item	Details
Product Name	9,9-Dimethyl-9-Silabicyclo[4.3.0]Nona-1,3,5-Triene
CAS No.	17158-48-4
Molecular Formula	C10H16Si
Molecular Weight	164.32 g/mol
Synonyms	9,9-Dimethyl-9-silabicyclo[4.3.0]nona-1,3,5-triene; 1,3,5-Cycloheptatriene, 2,4,6-tris(methylene)-, 9,9-dimethyl-9-sila-; 9,9-Dimethyl-9-silabicyclo[4.3.0]-1,3,5-nonatriene; Dimethylsilabicyclononatriene; DMSN; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 9,9-Dimethyl-9-Silabicyclo[4.3.0]Nona-1,3,5-Triene is manufactured and tested under strict quality management systems. We ensure compliance with relevant industry standards for high-purity organosilicon intermediates. Comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, is performed to verify identity, purity, and moisture content. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. Due to its light-sensitive nature and potential reactivity, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Related Substances (GC)	≤ 3.0% total

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