Description

2,2',7,7'-Tetraformyl-9,9'-Spirobifluorene is a high-purity, multi-functional organic building block characterized by its rigid spirobifluorene core and four reactive aldehyde groups. This compound matters as a critical precursor for synthesizing advanced organic electronic materials, including polymers and small molecules for light-emitting and photovoltaic applications. It is essential for R&D and production teams in the organic semiconductor, OLED, and advanced materials sectors seeking to develop next-generation optoelectronic devices.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a key intermediate for synthesizing electron-transport materials (ETMs) and host materials for phosphorescent and thermally activated delayed fluorescence (TADF) emitters.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Used to construct novel non-fullerene acceptors (NFAs) and interfacial layers due to its excellent electron-accepting properties and molecular planarity.
• Organic Field-Effect Transistors (OFETs): Acts as a precursor for high-mobility n-type semiconductor materials.
• Cross-coupling Reactions: The formyl groups provide versatile handles for Suzuki, Heck, and other palladium-catalyzed coupling reactions to build complex conjugated systems.
• Coordination Chemistry & MOFs: Functions as a multi-dentate ligand for constructing metal-organic frameworks (MOFs) and coordination polymers with specific luminescent or catalytic properties.
• Polymer Chemistry: A fundamental monomer for creating conjugated polymers with precise architecture for electronic and photonic applications.
• Chemical Sensors: Used in the development of fluorescence-based sensors for detecting various analytes.
• Academic & Industrial R&D: A valuable tool for researchers exploring new organic electronic materials and supramolecular chemistry.

Basic Information

Product Name	2,2',7,7'-Tetraformyl-9,9'-Spirobifluorene
CAS No.	124575-63-9
Molecular Formula	C33H18O4
Molecular Weight	478.49 g/mol
Synonyms	9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetracarboxaldehyde; 2,2',7,7'-Tetrakis(formyl)-9,9'-spirobifluorene; SBF-TA; Spirobifluorene Tetraaldehyde; 2,2',7,7'-Tetraaldehyde-9,9'-spirobifluorene; 9,9'-Spirobifluorene-2,2',7,7'-tetracarbaldehyde; 2,2',7,7'-Tetraformylspirobifluorene
EINECS	Contact for details

Quality Control

Our 2,2',7,7'-Tetraformyl-9,9'-Spirobifluorene is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for sensitive electronic applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity assessment and NMR for structural confirmation. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This product is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 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.