Description

2,2'-Dibromo-9,9'-Spirobifluorene is a high-purity brominated spirobifluorene derivative, a crucial organic intermediate for advanced materials synthesis. Its rigid, planar structure and bromine functional groups make it an essential building block for creating high-performance optoelectronic materials. This compound is primarily sought by R&D and production teams in the organic electronics, photonics, and specialty chemical industries.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a key precursor for host materials, electron transport layers, and phosphorescent emitters in display and lighting technologies.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Used in the synthesis of electron-accepting materials and interfacial layers to enhance device efficiency and stability.
• Organic Field-Effect Transistors (OFETs): Acts as a building block for semiconducting polymers and small molecules, contributing to high charge carrier mobility.
• Luminescent Materials & Sensors: A foundational unit for developing fluorescent dyes, probes, and chemosensors due to its tunable photophysical properties.
• Cross-Coupling Reactions (Suzuki, Heck): The bromine atoms provide excellent handles for palladium-catalyzed coupling reactions to construct complex π-conjugated systems.
• Polymer & Dendrimer Synthesis: Incorporated as a core or repeating unit to create rigid, shape-persistent polymers and dendritic structures for material science applications.

Basic Information

Product Name	2,2'-Dibromo-9,9'-Spirobifluorene
CAS No.	67665-47-8
Molecular Formula	C25H14Br2
Molecular Weight	498.19 g/mol
Synonyms	2,2'-Dibromospirobifluorene; 9,9'-Spirobi[9H-fluorene]-2,2'-dibromo; 2,2'-Dibromo-9,9'-spirobi[9H-fluorene]; DBr-SBF; Spirobifluorene, 2,2'-dibromo-; 2,2'-Dibromospiro[fluorene-9,9'-xanthene] (related structural name); 2,2'-Dibromo-9,9'-bifluorenylidene (common misnomer)
EINECS	Contact for details

Quality Control

Our 2,2'-Dibromo-9,9'-Spirobifluorene 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 structural integrity suitable for sensitive electronic 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, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Standard Grade)
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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