Description

9,9'-Spirobi[9H-Fluorene], 2-Bromo-7-Chloro- is a high-purity, halogenated spirobifluorene derivative, serving as a critical advanced intermediate in the synthesis of sophisticated organic materials. Its value lies in its rigid, three-dimensional molecular structure, which is essential for tuning the electronic and morphological properties of high-performance polymers and small molecules. This compound is primarily needed by R&D and production teams in the organic electronics, pharmaceutical, and specialty chemical industries for developing next-generation OLED materials, pharmaceuticals, and ligands for catalysis.

Application

• OLED Materials Development: As a key building block for host, hole-transport, or electron-transport materials in organic light-emitting diodes (OLEDs) for displays and lighting.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug candidates, leveraging the spirobifluorene scaffold for its conformational rigidity and potential biological activity.
• Ligand Synthesis for Catalysis: Employed in creating novel phosphine or nitrogen-based ligands for transition metal catalysts used in cross-coupling reactions.
• Polymer Chemistry: Acts as a monomer or co-monomer for producing high-performance engineering plastics with enhanced thermal stability and mechanical properties.
• Organic Semiconductor Research: Serves as a core unit in the development of novel n-type or p-type semiconductors for organic field-effect transistors (OFETs).
• Fluorescent Dyes and Sensors: Utilized as a precursor for creating dyes and molecular sensors with specific photophysical characteristics.

Basic Information

Product Name	9,9'-Spirobi[9H-Fluorene], 2-Bromo-7-Chloro-
CAS No.	2425540-91-4
Molecular Formula	C25H14BrCl
Molecular Weight	445.74 g/mol
Synonyms	2-Bromo-7-chloro-9,9'-spirobi[9H-fluorene]; 2-Bromo-7-chlorospirobifluorene; 9,9'-Spirobi[9H-fluorene], 2-bromo-7-chloro-; Spirobifluorene, 2-bromo-7-chloro-; 2,7-Disubstituted Spirobifluorene; SBF-BrCl; Halogenated SBF Derivative; CAS 2425540-91-4
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[9H-Fluorene], 2-Bromo-7-Chloro- 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. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee batch-to-batch consistency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. 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
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 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.