Description

2-Bromo-7-Iodo-9,9'-Spirobi[Fluorene] is a high-purity, multi-halogenated spirobifluorene derivative, a critical advanced intermediate in organic synthesis. This compound matters for its role as a key building block in the development of sophisticated organic electronic materials, where precise molecular architecture dictates performance. It is primarily needed by R&D chemists and manufacturers in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and specialty chemical sectors seeking to create novel charge-transport or light-emitting layers.

Application

• OLED Materials Development: Serves as a core building block for synthesizing novel host, hole-transport, or electron-transport materials in display and lighting technologies.
• Organic Photovoltaic (OPV) Research: Used in the creation of donor or acceptor units for next-generation solar cell active layers, leveraging its tunable electronic properties.
• Organic Semiconductor Synthesis: A key precursor for developing high-performance organic field-effect transistors (OFETs) and other electronic components.
• Ligand and Catalyst Design: The halogenated, rigid spirobifluorene scaffold is valuable for constructing sophisticated ligands in catalysis and coordination chemistry.
• Fluorescent Probe and Sensor Fabrication: Utilized in academic and industrial research to develop sensitive chemical sensors or bio-imaging agents.
• Pharmaceutical Intermediate: Acts as a complex scaffold in medicinal chemistry for the synthesis of potential drug candidates, particularly where a rigid, conjugated structure is required.
• Polymer and Dendrimer Chemistry: Incorporated as a monomer or core unit to create polymers and dendrimers with unique optical or electronic characteristics.

Basic Information

Product Name	2-Bromo-7-Iodo-9,9'-Spirobi[Fluorene]
CAS No.	1429933-33-4
Molecular Formula	C25H12BrI
Molecular Weight	535.17 g/mol
Synonyms	2-Bromo-7-iodospirobifluorene; 9,9'-Spirobi[9H-fluorene], 2-bromo-7-iodo-; 2-Br-7-I-SBF; 2,7-Dihalospirobifluorene (mixed halogen); 2-Bromo-7-iodo-9,9'-spirobi[fluorene]; SBF-Br-I; 2-Bromo-7-iodo-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Our 2-Bromo-7-Iodo-9,9'-Spirobi[Fluorene] is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic and pharmaceutical applications. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and GC-MS, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/GC-MS)	Conforms
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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