Description

Bis-Phenofluorene-4-Carboxylic Acid is a high-purity, specialized organic intermediate characterized by its complex polycyclic aromatic structure. This compound is valued for its role as a critical building block in the synthesis of advanced materials, particularly those requiring high thermal stability and specific optoelectronic properties. It is primarily sought after by manufacturers and R&D teams in the pharmaceutical, OLED (Organic Light-Emitting Diode), and high-performance polymer industries.

Application

• OLED Materials: A key precursor for electron-transporting materials (ETMs) and host materials in OLED displays and lighting due to its rigid, conjugated structure.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules, especially those targeting central nervous system (CNS) disorders, where its bulky aromatic system can influence bioavailability and receptor binding.
• Advanced Polymer Synthesis: Serves as a monomer or cross-linking agent for producing high-temperature resistant polymers, polyimides, and epoxy resins for aerospace and electronics.
• Organic Semiconductors: Incorporated into the molecular design of n-type semiconductors for organic field-effect transistors (OFETs) and photovoltaic cells.
• Liquid Crystal Materials: Used in the development of novel liquid crystal compounds for display technology, leveraging its planar and stable fluorene core.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new organic electronic materials and pharmaceutical candidates.

Basic Information

Product Name	Bis-Phenofluorene-4-Carboxylic Acid
CAS No.	104426-07-5
Molecular Formula	C27H16O2
Molecular Weight	372.42 g/mol
Synonyms	9,9-Bis(4-carboxyphenyl)fluorene; 4,4'-(9H-Fluorene-9,9-diyl)dibenzoic Acid; 9,9-Bis(4-carboxyphenyl)-9H-fluorene; Bisphenol Fluorene Dicarboxylic Acid; BPFCA; 4,4'-(Fluoren-9-ylidene)dibenzoic Acid; 9,9-Bis(p-carboxyphenyl)fluorene; 4,4'-(9-Fluorenylidene)bis-benzoic Acid
EINECS	Contact for details

Quality Control

Our Bis-Phenofluorene-4-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and batch-to-batch consistency suitable for sensitive electronic and pharmaceutical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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