Description

9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetracarbonitrile is a high-purity, polycyclic aromatic compound featuring a rigid spiro-conjugated core with four electron-withdrawing cyano groups. This unique molecular architecture makes it a critical advanced intermediate for the synthesis of high-performance organic electronic materials. It is essential for R&D and production in industries requiring materials with specific optoelectronic properties, such as organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).

Application

• OLED Emitter & Host Material: Serves as a key building block for constructing electron-transporting and host materials in next-generation OLED displays and lighting.
• Organic Semiconductor Synthesis: Used as a precursor for n-type (electron-accepting) semiconductors in organic field-effect transistors (OFETs).
• Non-Fullerene Acceptor (NFA) Core: Acts as a central unit in the development of high-efficiency acceptor materials for bulk-heterojunction organic solar cells.
• Fluorescent Probe & Sensor Development: Its rigid, conjugated structure is utilized in designing fluorescent chemosensors and bio-imaging agents.
• Advanced Polymer & Dendrimer Chemistry: Incorporated into polymer backbones or as a core for dendrimers to enhance thermal stability and electron affinity.
• Research & Development: A valuable compound for academic and industrial research in materials science, exploring new electronic and photophysical properties.

Basic Information

Product Name	9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetracarbonitrile
CAS No.	622011-35-2
Molecular Formula	C33H12N4
Molecular Weight	464.47 g/mol
Synonyms	2,2',7,7'-Tetracyano-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobifluorene-2,2',7,7'-tetracarbonitrile; SBF-TCN; 2,2',7,7'-Tetracyanospirobifluorene; 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetracarbonitrile; 2,2',7,7'-Tetracyano-9,9'-spirobifluorene; 9,9'-Spirobifluorene-2,2',7,7'-tetracarbonitrile
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetracarbonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency essential for electronic applications. Certificates of Analysis (COA) with detailed specifications are provided to support your quality assurance and R&D processes.

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 moisture-sensitive; keep the container tightly sealed in a dry environment. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Moisture (KF)	≤ 0.5%

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