Description

9,9-Bis(2-Ethylhexyl)-2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Fluorene is a high-purity, functionalized fluorene derivative containing pinacol boronate ester groups, serving as a critical monomer in advanced polymer synthesis. This compound matters as a key building block for creating conjugated polymers with precise electronic properties, essential for next-generation optoelectronic devices. It is primarily needed by R&D chemists and material scientists in the organic electronics, photovoltaics, and specialty polymer industries for developing high-performance materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Acts as a pivotal monomer for constructing conjugated polymer backbones in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Organic Semiconductor Synthesis: Used in the development of hole-transport, electron-transport, and emissive layer materials for display and lighting technologies.
• Polymer Electronics: Serves as a precursor for synthesizing fluorene-based copolymers with tailored bandgaps and charge carrier mobility.
• Material Science R&D: Employed in academic and industrial research to explore new organic electronic materials and device architectures.
• Chemical Intermediate: Functions as a versatile boronic ester intermediate for introducing the fluorene moiety into more complex molecular systems.

Basic Information

Item	Detail
Product Name	9,9-Bis(2-Ethylhexyl)-2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Fluorene
CAS No.	357219-41-1
Molecular Formula	C45H72B2O4
Molecular Weight	698.66 g/mol
Synonyms	2,7-Diboronic acid pinacol ester-9,9-bis(2-ethylhexyl)fluorene; 9,9-Bis(2-ethylhexyl)fluorene-2,7-diboronic acid bis(pinacol) ester; 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-bis(2-ethylhexyl)fluorene; 9,9-Di(2-ethylhexyl)-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluorene; 2,7-Bis(pinacolatoboryl)-9,9-bis(2-ethylhexyl)fluorene; 9,9-Bis(2-ethylhexyl)-2,7-diboronic acid pinacol ester fluorene; Fluorene-2,7-diboronic acid bis(1,2,2,6,6-pentamethylpiperidine) ester derivative (related); BFL-2E (potential abbreviation)
EINECS	Contact for details

Quality Control

Our 9,9-Bis(2-Ethylhexyl)-2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Fluorene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, meeting the stringent requirements of advanced material synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific research or production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as specified on the label. This material is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere (argon or nitrogen) in a freezer (-20°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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