Description

2,7-Dibromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene is a high-purity, multi-functional brominated fluorene derivative that serves as a critical advanced intermediate in organic synthesis. Its value lies in its unique molecular architecture, which provides a rigid, conjugated backbone with reactive bromine sites, enabling precise functionalization for creating complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for developing organic light-emitting diodes (OLEDs), liquid crystals, and specialty polymers.

Application

• OLED Materials Synthesis: A key building block for 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 novel active pharmaceutical ingredients (APIs), leveraging its bromine sites for cross-coupling reactions.
• Agrochemical Development: Serves as a precursor for creating advanced crop protection agents and herbicides with tailored properties.
• Liquid Crystal Materials: Acts as a core component in the synthesis of fluorene-based liquid crystals for display technologies.
• Polymer & Resin Modification: Incorporated into specialty polymers and epoxy resins to enhance thermal stability, refractive index, or flame retardancy.
• Organic Semiconductor Research: A valuable monomer for constructing conjugated polymers and small molecules in organic electronic device research.
• Chemical Synthesis Reagent: Utilized in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to introduce complex fluorene units.

Basic Information

Product Name	2,7-Dibromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene
CAS No.	357645-37-5
Molecular Formula	C27H20Br2
Molecular Weight	512.26 g/mol
Synonyms	9,9-Bis(4-methylphenyl)-2,7-dibromofluorene; 2,7-Dibromo-9,9-bis(p-tolyl)fluorene; 2,7-Dibromo-9,9-di-p-tolylfluorene; 2,7-Dibromo-9,9-bis(4'-methylphenyl)fluorene; 2,7-Dibromo-9,9-di(4-methylphenyl)fluorene; Fluorene, 2,7-dibromo-9,9-bis(4-methylphenyl)-; 2,7-Bis(bromo)-9,9-bis(4-methylphenyl)fluorene
EINECS	Contact for details

Quality Control

Our 2,7-Dibromo-9,9-Bis(4-Methylphenyl)-9H-Fluorene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation to maintain optimal purity and stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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