Description

4,4'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Dibenzoic Acid is a high-purity organic intermediate featuring a rigid, planar fluorene core symmetrically functionalized with benzoic acid groups. This compound matters for its role as a critical building block in the synthesis of advanced materials, where its specific geometry and functional groups enable precise molecular engineering. It is essential for researchers and manufacturers in the organic electronics and specialty polymer industries who require consistent, high-quality precursors for developing novel optoelectronic devices and high-performance polymers.

Application

• Organic Light-Emitting Diode (OLED) Materials: Serves as a key precursor for electron-transport layers (ETLs) and host materials in display and lighting technologies.
• Polymer Synthesis: Used as a dicarboxylic acid monomer for producing polyamides, polyimides, and polyesters with enhanced thermal stability and mechanical properties.
• Metal-Organic Frameworks (MOFs): Acts as an organic linker due to its carboxylate groups, contributing to the construction of porous materials for gas storage and catalysis.
• Liquid Crystal Materials: Incorporated into the molecular structure of liquid crystals to modify mesomorphic properties for display applications.
• Pharmaceutical Intermediates: Utilized in the research and development of complex drug molecules, leveraging its rigid, aromatic scaffold.
• Crosslinking Agent: Functions as a crosslinker in epoxy and other resin systems to improve network density and material performance.

Basic Information

Item	Detail
Product Name	4,4'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Dibenzoic Acid
CAS No.	1217979-48-0
Molecular Formula	C29H20O4
Molecular Weight	432.47 g/mol
Synonyms	2,7-Bis(4-carboxyphenyl)-9,9-dimethylfluorene; 9,9-Dimethyl-2,7-bis(4-carboxyphenyl)fluorene; 4,4'-(9,9-Dimethylfluorene-2,7-diyl)dibenzoic acid; Fluorene-2,7-diyldibenzoic acid derivative; DMFL-COOH; BCFA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 4,4'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Dibenzoic Acid adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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