Description

5,5'-(9-Oxo-9H-Fluorene-2,7-Diyl)Diisophthalic Acid is a high-purity, multifunctional organic acid building block critical for advanced material synthesis. This compound matters for its role as a key precursor in the development of sophisticated polymers and organic electronic materials, offering precise structural control. It is primarily needed by R&D chemists and production specialists in the polymer, pharmaceutical, and specialty chemical industries for creating novel high-performance products.

Application

• Polymer Synthesis: Serves as a crucial monomer for producing high-performance polyimides, polyamides, and other engineering plastics with enhanced thermal and mechanical properties.
• Organic Electronics: Used as a building block in the synthesis of organic semiconductors, hole-transport materials, and emissive layers for OLEDs and photovoltaic cells.
• Pharmaceutical Intermediates: Acts as a sophisticated scaffold in the research and development of new active pharmaceutical ingredients (APIs) with complex molecular architectures.
• Metal-Organic Frameworks (MOFs): Functions as an organic linker for constructing novel MOFs with potential applications in gas storage, separation, and catalysis.
• Dye and Pigment Chemistry: Employed in the synthesis of advanced fluorescent dyes and pigments due to the fluorene-based core structure.
• Crosslinking Agent: Utilized in formulations requiring high-temperature stability and chemical resistance, such as in advanced coatings and adhesives.
• Liquid Crystal Materials: A potential precursor for mesogenic compounds used in display technologies.
• Academic & Industrial Research: A valuable tool for chemists exploring new material properties and reaction pathways in synthetic chemistry.

Basic Information

Item	Details
Product Name	5,5'-(9-Oxo-9H-Fluorene-2,7-Diyl)Diisophthalic Acid
CAS No.	1588979-47-8
Molecular Formula	C30H16O9
Molecular Weight	520.44 g/mol
Synonyms	2,2'-(9-Oxo-9H-fluorene-2,7-diyl)bis(5-carboxybenzoic acid); 5,5'-(9-Oxofluorene-2,7-diyl)diisophthalic acid; 2,7-Bis(3,5-dicarboxyphenyl)-9H-fluoren-9-one; Fluorenone-based tetracarboxylic acid; FTCA monomer; 9-Oxo-9H-fluorene-2,7-diylbis(5-carboxyisophthalic acid); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 5,5'-(9-Oxo-9H-Fluorene-2,7-Diyl)Diisophthalic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and batch-to-batch consistency suitable for demanding R&D and scale-up applications. 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and oxidizing agents. The compound is stable under recommended storage conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Single Impurity (HPLC)	≤ 1.0%

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