Description

N,N''-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis(N'-Phenylurea) is a high-purity, diarylurea-based organic compound with a rigid fluorene core, designed for advanced material synthesis. This specialized chemical serves as a critical building block or functional additive, offering enhanced thermal stability and tailored electronic properties. It is essential for research and development in the pharmaceutical, agrochemical, and high-performance polymer industries, where precise molecular architecture is required.

Application

• As a key pharmaceutical intermediate in the synthesis of novel active ingredients, particularly for kinase inhibitors or other targeted therapies.
• As a monomer or chain extender in the production of high-performance polyurethanes, polyimides, or other specialty polymers requiring rigidity and thermal resistance.
• As a functional additive in advanced material formulations, such as liquid crystals, organic semiconductors, or photoresists, to modify physical properties.
• As a research chemical in academic and industrial R&D for exploring new organic electronic materials or supramolecular assemblies.
• As a potential agrochemical intermediate for developing new crop protection agents with specific modes of action.
• As a cross-linking agent or curing agent in epoxy resin systems for high-temperature composite applications.

Basic Information

Product Name	N,N''-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis(N'-Phenylurea)
CAS No.	457923-01-2
Molecular Formula	C41H30N4O2
Molecular Weight	610.71 g/mol
Synonyms	9,9-Bis[4-(3-phenylureido)phenyl]fluorene; 1,1'-(9H-Fluorene-9,9-diyl)bis(4,1-phenylene)bis(3-phenylurea); N,N'-[Fluoren-9,9-diylbis(4,1-phenylene)]bis(N-phenylurea); Bis[4-(3-phenylureido)phenyl]-9H-fluorene; Fluorene-9,9-diylbis(4,1-phenylene) bis(phenylurea); 9,9-Bis(4-(N'-phenylureido)phenyl)fluorene
EINECS	Contact for details

Quality Control

Our N,N''-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis(N'-Phenylurea) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting research and industrial-grade specifications. Comprehensive Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability and batch-to-batch consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.