Description

4,5-Diaza-2',7'-Dibromo-9,9'-Spirobifluorene is a high-purity, specialized organic compound with the CAS registry number 198142-63-1. This brominated spirobifluorene derivative is valued for its unique photophysical and electronic properties, making it a critical building block in advanced materials research. It is primarily sought after by R&D chemists and material scientists working in the fields of organic electronics and photonics.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a key electron-transport material or host/dopant in the emissive layer for high-efficiency display and lighting technologies.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Used as an electron-accepting or interfacial layer material to improve charge transport and device stability.
• Chemical Synthesis & Pharmaceutical Intermediates: Acts as a sophisticated precursor or ligand in the synthesis of complex molecules for pharmaceutical and agrochemical applications.
• Optical Sensors & Probes: Employed in the development of fluorescent chemosensors and biological probes due to its tunable emission properties.
• Academic & Industrial R&D: Essential for fundamental research in supramolecular chemistry, coordination chemistry, and the development of novel functional materials.

Basic Information

Product Name	4,5-Diaza-2',7'-Dibromo-9,9'-Spirobifluorene
CAS No.	198142-63-1
Molecular Formula	C25H12Br2N2
Molecular Weight	524.19 g/mol
Synonyms	2',7'-Dibromo-4,5-diaza-9,9'-spirobi[9H-fluorene]; 2,7-Dibromo-4,5-diaza-9,9'-spirobifluorene; DBr-DASF; Spiro(Dibromodiazafluorene); 9,9'-Spirobifluorene, 2',7'-dibromo-4,5-diaza-; 4,5-Diaza-2,7-dibromo-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Our 4,5-Diaza-2',7'-Dibromo-9,9'-Spirobifluorene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, meeting the stringent requirements of advanced materials research. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific research or development project needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	< 0.5%

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