Description

2,7-Dimethyl-5-Silaspiro[4.4]Nona-2,7-Diene is a specialized organosilicon compound featuring a unique spirocyclic structure. This compound matters as a valuable advanced intermediate and building block in the synthesis of novel materials, particularly within the fields of organic electronics and advanced polymers. Industries involved in pharmaceutical research, material science, and the development of specialty silicones require this high-purity chemical for their R&D and production processes.

Application

• Advanced Material Synthesis: Key precursor for developing novel silicon-containing polymers and hybrid organic-inorganic materials.
• Organic Electronics: Serves as a building block for charge-transport materials or emissive layers in OLED (Organic Light-Emitting Diode) research.
• Pharmaceutical Intermediates: Used in the research and synthesis of complex, biologically active molecules featuring silicon in the core structure.
• Catalyst Ligand Development: Potential ligand or framework for constructing novel organometallic catalysts in asymmetric synthesis.
• Specialty Silicone Chemistry: Intermediate for creating custom silicones with specific thermal, optical, or mechanical properties.
• Academic & Industrial R&D: A valuable reagent for exploring new reaction pathways and the properties of spirocyclic silanes.

Basic Information

Product Name	2,7-Dimethyl-5-Silaspiro[4.4]Nona-2,7-Diene
CAS No.	54767-28-1
Molecular Formula	C11H18Si
Molecular Weight	178.35 g/mol
Synonyms	5-Silaspiro[4.4]nona-2,7-diene, 2,7-dimethyl-; 2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-diene; Dimethylsilaspirodiene; Spirocyclic dimethylsilane; 1,1-Dimethyl-2,5-dihydro-1H-silole fused with cyclopentene; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2,7-Dimethyl-5-Silaspiro[4.4]Nona-2,7-Diene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including GC, NMR, and HPLC to confirm identity and purity. Certificates of Analysis (COA) detailing all relevant specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound may be sensitive to moisture and air; for long-term storage, consider under an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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