Description

4,4'-(9H-Fluoren-9-Ylidene)Bis[N,n-Bis(4-Methylphenyl)-Benzenamine] is a specialized organic compound belonging to the class of triarylamine derivatives, characterized by its fluorenylidene core. This compound matters as a high-performance hole-transport material (HTM) and functional intermediate, offering excellent thermal stability and charge-carrier mobility for advanced electronic applications. It is primarily needed by manufacturers in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and specialty chemical synthesis sectors.

Application

• Hole-Transport Layer (HTL) in OLED Devices: A key component in the emissive layer stack for displays and lighting, facilitating efficient hole injection and transport.
• Donor Material in Organic Photovoltaics (OPVs/Solar Cells): Used in the active layer to absorb light and generate charge carriers, contributing to solar energy conversion efficiency.
• Chemical Intermediate for Advanced Materials: Serves as a crucial building block for synthesizing more complex electroactive polymers and small molecules.
• Photoconductive Agents: Employed in the formulation of materials for photocopiers, laser printers, and other imaging technologies.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic electronic materials and device architectures.

Basic Information

Product Name	4,4'-(9H-Fluoren-9-Ylidene)Bis[N,n-Bis(4-Methylphenyl)-Benzenamine]
CAS No.	159526-57-5
Molecular Formula	C61H50N2
Molecular Weight	811.07 g/mol
Synonyms	N,N,N',N'-Tetrakis(4-methylphenyl)-9,9'-bifluorenylidene-4,4'-diamine; 4,4'-(9H-Fluoren-9-ylidene)bis[N,N-bis(4-methylphenyl)benzenamine]; 9,9-Bis[N,N-di-p-tolylamino]-4,4'-bifluorene; TTB; Hole Transport Material TTB; Fluorene-based triarylamine derivative; OLED HTM; p-type semiconductor material.
EINECS	Contact for details

Quality Control

Our production of 4,4'-(9H-Fluoren-9-Ylidene)Bis[N,n-Bis(4-Methylphenyl)-Benzenamine] adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance in electronic applications. Quality is verified through advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under argon or nitrogen) is recommended. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.