Description

4-Bromo-9,9'-spirobi[9H-fluorene] is a high-purity, functionalized spirobifluorene derivative, a key building block in advanced materials chemistry. Its value lies in its rigid, orthogonal molecular structure and the reactive bromine substituent, which enables precise cross-coupling reactions for constructing complex organic frameworks. This compound is essential for researchers and manufacturers in the organic electronics and pharmaceutical intermediates sectors, serving as a critical precursor for light-emitting materials, host materials in OLEDs, and sophisticated ligands.

Application

• OLED Material Precursor: Serves as a core building block for synthesizing host materials, electron transport materials, and phosphorescent emitters in Organic Light-Emitting Diodes (OLEDs).
• Pharmaceutical Intermediate: Used in the synthesis of complex organic molecules with potential biological activity, leveraging its rigid, three-dimensional structure.
• Ligand Synthesis: Acts as a starting material for creating sophisticated chelating ligands used in catalysis and materials science.
• Polymer & Dendrimer Chemistry: Employed to construct conjugated polymers and dendrimers with defined architectures for electronic and photonic applications.
• Organic Semiconductor Research: A valuable compound for academic and industrial R&D focused on developing new charge-transport and light-emitting materials.
• Cross-Coupling Reactions: The bromine atom facilitates Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions for precise molecular assembly.

Basic Information

Product Name	4-Bromo-9,9'-spirobi[9H-fluorene]
CAS No.	1161009-88-6
Molecular Formula	C25H15Br
Molecular Weight	395.29 g/mol
Synonyms	4-Bromospirobifluorene; 9,9'-Spirobi[9H-fluorene], 4-bromo-; 4-Bromo-9,9'-spirobi[fluorene]; 2-Bromo-9,9'-spirobi[9H-fluorene] (alternative numbering); SBF-Br; Spirobifluorene-4-bromide; 4-Br-SBF
EINECS	Contact for details

Quality Control

Our 4-Bromo-9,9'-spirobi[9H-fluorene] is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive electronic and pharmaceutical applications. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and GC-MS. A 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. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

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

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