Description

2-Bromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene is a high-purity, advanced organic intermediate of significant importance in materials science and pharmaceutical research. This compound is valued for its rigid, bulky fluorene-based structure, which is crucial for tuning the electronic and physical properties of target molecules. It is primarily sought after by R&D chemists and process engineers in the organic light-emitting diode (OLED) and pharmaceutical sectors for the synthesis of novel functional materials and active pharmaceutical ingredients (APIs).

Application

• OLED Materials Synthesis: A key building block for creating host, hole-transport, or electron-transport materials in organic light-emitting diode (OLED) displays and lighting.
• Pharmaceutical Intermediates: Used in the research and development of complex drug molecules, particularly those requiring a sterically hindered, aromatic core structure.
• Liquid Crystal (LC) Materials: Serves as a precursor for the synthesis of advanced liquid crystal compounds used in display technologies.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of high-performance, heat-resistant polymers and resins.
• Organic Semiconductor Research: Employed in academic and industrial labs to develop new organic electronic materials for transistors and sensors.
• Ligand Synthesis: Used to prepare sophisticated ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	2-Bromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene
CAS No.	474918-33-7
Molecular Formula	C27H21Br
Molecular Weight	425.36 g/mol
Synonyms	9,9-Bis(4-methylphenyl)-2-bromofluorene; 2-Bromo-9,9-di-p-tolylfluorene; 2-Bromo-9,9-bis(p-tolyl)fluorene; 2-Bromo-9,9-di(4-methylphenyl)fluorene; 2-Br-9,9-Di-p-Tolyl-Fluorene; 2-Bromo-9,9-di-p-tolyl-9H-fluorene; 2-Bromo-9,9-bis(4'-methylphenyl)fluorene
EINECS	Contact for details

Quality Control

Our 2-Bromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for demanding R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and organic solvents. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.