Description

2,2'-Diiodo-9,9'-Spirobifluorene is a high-purity, functionalized spirobifluorene derivative, a key building block in advanced materials science. Its value lies in its rigid, three-dimensional structure and the reactivity of its iodine substituents, enabling precise molecular engineering. This compound is essential for researchers and manufacturers in the organic electronics and specialty chemical sectors seeking to develop next-generation optoelectronic materials.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a crucial host or dopant material in the emissive layer for high-efficiency devices.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Used as a hole-transporting material (HTM) or an interfacial layer to improve charge extraction and device stability.
• Chemical Synthesis Intermediate: The iodine atoms provide excellent sites for further functionalization via cross-coupling reactions (e.g., Suzuki, Sonogashira) to create complex conjugated systems.
• Material Science Research: A fundamental building block for constructing novel spiro-annulated compounds, dendrimers, and metal-organic frameworks (MOFs) with tailored properties.
• Phosphorescent Material Development: Acts as a ligand precursor or core structure for synthesizing organometallic complexes used in phosphorescent OLEDs (PhOLEDs).

Basic Information

Product Name	2,2'-Diiodo-9,9'-Spirobifluorene
CAS No.	790674-48-5
Molecular Formula	C25H12I2
Molecular Weight	622.17 g/mol
Synonyms	9,9'-Spirobi[9H-fluorene]-2,2'-diyl diiodide; 2,2'-Diiodospirobifluorene; 2,2'-Diiodo-9,9'-spirobi[9H-fluorene]; SBF-I2; Diiodo-SBF; 2,2'-Diiodo-9,9'-bifluorenylidene
EINECS	Contact for details

Quality Control

Every batch of 2,2'-Diiodo-9,9'-Spirobifluorene is synthesized and purified under controlled conditions to ensure exceptional purity and batch-to-batch consistency, critical for sensitive electronic applications. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with stringent R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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