Description

9,9'-Spirobi[9H-Fluorene]-3,3',6,6'-Tetracarboxaldehyde, 2,2',7,7'-Tetramethoxy- is a high-value, multi-functional organic building block characterized by its rigid spirobi[fluorene] core and four reactive aldehyde groups. This compound matters for its unique electronic and structural properties, which are critical for developing advanced materials with precise optical and electronic characteristics. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and specialty polymer industries for applications such as organic light-emitting diodes (OLEDs), perovskite solar cells, and porous organic frameworks.

Application

• Organic Semiconductor Precursor: Serves as a key monomer for synthesizing conjugated polymers and small molecules used in OLEDs and OFETs.
• Perovskite Solar Cell Component: Used in the development of hole-transport materials or as an additive to enhance the stability and efficiency of perovskite layers.
• Covalent Organic Framework (COF) Linker: The tetra-aldehyde functionality enables the construction of rigid, porous 2D or 3D COFs for gas storage, separation, or catalysis.
• Fluorescent Probe & Sensor Development: Acts as a core structure for creating highly sensitive and selective chemical sensors or bio-imaging agents.
• Advanced Polymer Synthesis: Employed in polycondensation reactions to produce high-performance polyimides or polyazomethines with enhanced thermal stability.
• Ligand for Metal-Organic Frameworks (MOFs): Can be utilized to design novel ligands for constructing MOFs with tailored pore environments.

Basic Information

Product Name	9,9'-Spirobi[9H-Fluorene]-3,3',6,6'-Tetracarboxaldehyde, 2,2',7,7'-Tetramethoxy-
CAS No.	1801236-33-8
Molecular Formula	C37H24O8
Molecular Weight	596.58 g/mol
Synonyms	2,2',7,7'-Tetramethoxy-9,9'-spirobi[9H-fluorene]-3,3',6,6'-tetracarbaldehyde; 3,3',6,6'-Tetrakis(formyl)-2,2',7,7'-tetramethoxy-9,9'-spirobi[9H-fluorene]; Spiro[fluorene-9,9'-xanthene] Tetracarboxaldehyde Derivative; TMT-SBF; Tetramethoxy Spirobifluorene Tetraaldehyde; SFX-TA(OMe)4; 9,9'-Spirobi[fluorene]-3,3',6,6'-tetracarboxaldehyde tetramethoxy derivative
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[9H-Fluorene]-3,3',6,6'-Tetracarboxaldehyde, 2,2',7,7'-Tetramethoxy- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency essential for research and advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as nitrogen or argon. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.