Description

9,9-Bis(4-Bromophenyl)Fluorene is a high-purity brominated fluorene derivative, a key organic intermediate prized for its rigid, planar structure and functional bromine groups. This compound is essential for synthesizing advanced materials, particularly in the electronics and polymer industries, where it serves as a critical building block. It is primarily sought after by R&D laboratories and manufacturers in the OLED, photoresist, and high-performance polymer sectors for creating novel functional materials.

Application

• OLED Materials: Acts as a core precursor for host and electron-transport materials in organic light-emitting diodes (OLEDs) due to its excellent thermal stability and hole-blocking properties.
• Polymer Synthesis: Serves as a monomer or chain extender for engineering plastics, polycarbonates, and polyarylates, enhancing thermal resistance and mechanical strength.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules and bioactive compounds where the fluorene scaffold is required.
• Liquid Crystal Materials: Employed in the development of liquid crystal displays (LCDs) and other electro-optical devices.
• Photoresists: A valuable component in advanced photoresist formulations for semiconductor lithography processes.
• Cross-coupling Reactions: The bromine substituents make it an excellent substrate for Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to construct complex conjugated systems.
• Academic & Industrial R&D: A versatile building block for research in material science, supramolecular chemistry, and organic synthesis.

Basic Information

Product Name	9,9-Bis(4-Bromophenyl)Fluorene
CAS No.	128406-10-0
Molecular Formula	C25H16Br2
Molecular Weight	476.20 g/mol
Synonyms	9,9-Bis(p-bromophenyl)fluorene; 9,9-Bis(4-bromophenyl)-9H-fluorene; 4,4'-(9H-Fluorene-9,9-diyl)bis(bromobenzene); 9,9-Di(4-bromophenyl)fluorene; Bis(4-bromophenyl)fluorene; 9H-Fluorene, 9,9-bis(4-bromophenyl)-; 9,9-Bis(4'-bromophenyl)fluorene
EINECS	Contact for details

Quality Control

Our 9,9-Bis(4-Bromophenyl)Fluorene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency required for sensitive electronic and pharmaceutical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 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.