Description

Silane, 9H-Fluoren-9-Ylidenebis[Trimethyl- is a specialized organosilicon compound featuring a unique fluorenylidene bridging group. This compound matters as a high-value chemical intermediate, prized for its ability to introduce specific organic functionalities onto silicon-based materials and surfaces. It is primarily needed by R&D chemists and manufacturers in the advanced materials, electronics, and pharmaceutical sectors for developing novel polymers, coatings, and silicon-containing active molecules.

Application

• Advanced Polymer Synthesis: Serves as a key monomer or cross-linking agent for creating novel polysiloxanes and hybrid organic-inorganic polymers with tailored thermal and optical properties.
• Surface Modification & Functionalization: Used as a silylating agent to modify the surface properties of silica, glass, or metals, imparting specific hydrophobicity or reactivity for adhesion promotion or sensor applications.
• Electronic Materials: Investigated as a precursor for thin-film deposition (e.g., via CVD/ALD) in semiconductor manufacturing or as a component in photoresists and dielectric materials.
• Pharmaceutical Intermediates: Acts as a building block in the synthesis of complex silicon-containing drug candidates or prodrugs, leveraging the fluorene moiety's structural features.
• Catalyst & Ligand Development: Employed in the design of novel organometallic catalysts and ligands where the silicon and fluorenyl groups influence steric and electronic properties.
• Research & Development: A valuable tool for academic and industrial research in organosilicon chemistry, materials science, and medicinal chemistry.

Basic Information

Product Name	Silane, 9H-Fluoren-9-Ylidenebis[Trimethyl-
CAS No.	7351-45-3
Molecular Formula	C21H28Si2
Molecular Weight	336.62 g/mol
Synonyms	Bis(trimethylsilyl)fluorene; 9,9-Bis(trimethylsilyl)fluorene; 9-Fluorenylidenebis(trimethylsilane); Fluorene-9,9-diylbis(trimethylsilane); 9H-Fluorene-9,9-diylbis(trimethylsilane); 9,9-Bis(trimethylsilyl)-9H-fluorene; 9-(Trimethylsilyl)-9-(trimethylsilyl)-9H-fluorene
EINECS	Contact for details

Quality Control

Our Silane, 9H-Fluoren-9-Ylidenebis[Trimethyl- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by GC or HPLC), identity (by IR/NMR), and impurity profiles are available upon request. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, acids, and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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