Description

2,7-Dibromo-2',7'-Di-tert-Butyl-9,9'-Spirobi[Fluorene] is a high-purity, multi-functional organic intermediate of significant commercial and research interest. This compound matters for its role as a key building block in the synthesis of advanced materials, particularly for optoelectronic applications. Industries requiring high-performance organic semiconductors, such as OLED and photovoltaic device manufacturers, as well as academic research laboratories, are the primary users of this specialized chemical.

Application

• OLED Materials Synthesis: Serves as a crucial precursor for host, dopant, and electron-transport materials in organic light-emitting diodes (OLEDs) for displays and lighting.
• Organic Photovoltaic (OPV) Development: Used in the creation of novel donor or acceptor materials for solar cells, contributing to improved efficiency and stability.
• Organic Field-Effect Transistors (OFETs): Acts as a building block for semiconducting polymers and small molecules in electronic circuits and sensors.
• Luminescent Materials & Dyes: Employed in the synthesis of fluorescent tags, probes, and advanced dyes for analytical and imaging applications.
• Polymer Chemistry: Functions as a monomer or cross-linking agent for creating high-performance, thermally stable polymers with specific optical properties.
• Academic & Industrial R&D: A valuable tool for chemists and material scientists exploring new conjugated systems and structure-property relationships.

Basic Information

Product Name	2,7-Dibromo-2',7'-Di-tert-Butyl-9,9'-Spirobi[Fluorene]
CAS No.	439791-57-8
Molecular Formula	C₃₃H₂₈Br₂
Molecular Weight	584.38 g/mol
Synonyms	2,7-Dibromo-2',7'-di-tert-butyl-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene], 2,7-dibromo-2',7'-bis(1,1-dimethylethyl)-; 2,7-Dibromo-2',7'-di-tert-butylspirobifluorene; Dibromo-di-tert-butylspirobifluorene; SBF-Br2-tBu; Spirobifluorene dibromo derivative; DBDB-SBF; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2,7-Dibromo-2',7'-Di-tert-Butyl-9,9'-Spirobi[Fluorene] is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for sensitive optoelectronic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support customer-specific quality requirements and can provide material tailored to research or commercial-grade specifications.

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 material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Typical: 99.0%)
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.