Description

2'-Bromo-2,7-Di-tert-Butyl-9,9'-Spirobi[Fluorene] is a high-purity, functionalized spirobifluorene derivative, a key building block in advanced materials science. Its value lies in its unique molecular architecture, which provides excellent thermal stability, high triplet energy levels, and efficient hole-transport properties, making it indispensable for high-performance electronic applications. This compound is critically needed by R&D chemists and material scientists in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and organic field-effect transistor (OFET) sectors for developing next-generation devices.

Application

• OLED Emitter & Host Material: Serves as a core structural unit or dopant in the emissive layer of blue and white OLEDs for displays and lighting.
• Hole-Transporting Material (HTM): Used in the hole-transport layer of OLED and perovskite solar cell devices due to its favorable energy levels and stability.
• Organic Semiconductor Precursor: Acts as a crucial intermediate for synthesizing more complex conjugated polymers and small molecules for OFETs and OPVs.
• Phosphorescent Material Synthesis: A key ligand or backbone for constructing metal-organic complexes used in phosphorescent OLEDs (PhOLEDs).
• Cross-coupling Reactions: The bromine substituent makes it an excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to build extended π-systems.
• Material Science Research: Used in academic and industrial R&D to study structure-property relationships in organic electronic materials.

Basic Information

Product Name	2'-Bromo-2,7-Di-tert-Butyl-9,9'-Spirobi[Fluorene]
CAS No.	393841-81-1
Molecular Formula	C₃₃H₃₃Br
Molecular Weight	509.52 g/mol
Synonyms	2'-Bromo-2,7-di-tert-butyl-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene], 2'-bromo-2,7-bis(1,1-dimethylethyl)-; 2'-Bromo-2,7-di-tert-butylspirobifluorene; 2'Br-2,7tBu-SBF; SBF-Br derivative; Bromo-functionalized spirobifluorene; 2,7-Di-tert-butyl-2'-bromo-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Our 2'-Bromo-2,7-Di-tert-Butyl-9,9'-Spirobi[Fluorene] is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity, critical for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. 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 place at room temperature (15-25°C). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere when possible to prevent degradation. Keep away from strong acids/bases and oxidizing agents.

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
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.