Description

4,4'-(9-Oxo-9H-Fluorene-2,7-Diyl)Dibenzoic Acid is a high-purity, functionalized organic building block featuring a rigid fluorenone core flanked by benzoic acid groups. This compound matters for its role as a critical precursor in the synthesis of advanced materials, particularly for constructing complex molecular architectures. It is primarily needed by researchers and manufacturers in the organic electronics, polymer science, and pharmaceutical intermediates sectors, where precise molecular control is paramount.

Application

• Organic Electronic Materials: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Field-Effect Transistors (OFETs).
• Metal-Organic Frameworks (MOFs): Serves as a versatile dicarboxylate linker for constructing porous MOF materials with potential applications in gas storage, separation, and catalysis.
• Polymer Modification: Used to introduce rigid, fluorescent fluorenone units into polymer backbones to enhance thermal stability, mechanical properties, and optoelectronic characteristics.
• Pharmaceutical & Agrochemical Intermediates: The reactive acid groups and complex aromatic structure make it a valuable scaffold for developing novel active ingredients and fine chemicals.
• Liquid Crystal & Dye Synthesis: Employed as a core component in the design of advanced dyes, pigments, and liquid crystalline materials due to its planar, conjugated system.
• Research & Development: An essential tool for academic and industrial R&D in supramolecular chemistry and materials science exploration.

Basic Information

Product Name	4,4'-(9-Oxo-9H-Fluorene-2,7-Diyl)Dibenzoic Acid
CAS No.	1313187-37-9
Molecular Formula	C27H16O5
Molecular Weight	420.41 g/mol
Synonyms	2,7-Bis(4-carboxyphenyl)fluoren-9-one; 9-Oxo-9H-fluorene-2,7-diyldi-4,1-phenylene dibenzoate (related); 2,7-Di(4-carboxyphenyl)fluorenone; 4,4'-(9-Fluorenonylidene)dibenzoic Acid; Fluorenone-2,7-diyldibenzoic Acid; 9H-Fluorene-2,7-diyldi-4,1-phenylene bis-benzoic acid; CAS 1313187-37-9
EINECS	Contact for details

Quality Control

Our 4,4'-(9-Oxo-9H-Fluorene-2,7-Diyl)Dibenzoic Acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, typically ≥97% (HPLC). Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards, and specifications can be tailored to meet specific research or cGMP starting material requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture uptake, which can affect purity and reactivity. Handle and store in accordance with all applicable laboratory safety regulations.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.