Description

2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9,9-Dihexylfluorene CAS NO 254755-24-3 is a high-purity, functionalized fluorene derivative featuring two pinacol boronate ester groups. This compound is a critical advanced organic intermediate for Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex conjugated polymers and organic electronic materials. It is essential for R&D and production in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and semiconductor industries.

Application

• Key Monomer for Conjugated Polymers: Serves as a fundamental building block in the synthesis of polyfluorenes and other electroluminescent polymers for OLED displays and lighting.
• Organic Photovoltaic (OPV) Materials: Used to create donor-acceptor copolymers for high-efficiency solar cell active layers.
• Organic Field-Effect Transistor (OFET) Development: Employed in the fabrication of semiconducting layers for flexible electronics.
• Chemical Synthesis & Pharmaceutical Intermediates: Acts as a versatile boronic ester reagent in medicinal chemistry and fine chemical synthesis.
• Material Science Research: Utilized in academic and industrial R&D for developing novel organic electronic materials and sensors.

Basic Information

Product Name	2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9,9-Dihexylfluorene
CAS No.	254755-24-3
Molecular Formula	C41H62B2O4
Molecular Weight	632.55 g/mol
Synonyms	9,9-Dihexyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluorene; 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-hexylfluorene; 9,9-Dihexylfluorene-2,7-diboronic acid bis(pinacol) ester; 2,7-Diboronic acid pinacol ester of 9,9-dihexylfluorene; FL-BPin2 (C6); 2,7-Bis(pinacolatoboryl)-9,9-dihexylfluorene; 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dihexyl-9H-fluorene
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Quality Control

Our production of 2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9,9-Dihexylfluorene adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive electronic applications. Each lot undergoes comprehensive analysis including HPLC, NMR, and elemental analysis. Certificates of Analysis (COA) detailing purity and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (argon or nitrogen) due to its hygroscopic and light-sensitive nature. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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