Description

4,4''-Bis(Diphenylamino)-[1,1':4',1''-Terphenyl]-2'-Carbaldehyde is a high-purity, advanced organic intermediate characterized by its extended conjugated system and electron-donating diphenylamino groups. This compound matters for its role as a critical building block in the synthesis of sophisticated organic electronic materials, where precise molecular structure dictates performance. It is primarily needed by R&D and production teams in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and specialty dye industries seeking to develop next-generation optoelectronic devices.

Application

• OLED Emitter and Host Material Synthesis: Serves as a key precursor for creating novel hole-transporting materials (HTMs) and thermally activated delayed fluorescence (TADF) emitters in display and lighting technologies.
• Organic Photovoltaic (OPV) Development: Used in the research and production of donor or acceptor materials for solar cells, leveraging its tunable electronic properties.
• Specialty Dyes and Pigments: Acts as an intermediate for high-performance, color-fast dyes used in advanced imaging, sensors, and nonlinear optical applications.
• Academic and Industrial R&D: A valuable reagent for chemists exploring structure-property relationships in conjugated molecules and supramolecular chemistry.
• Charge Transport Layer Fabrication: Employed in the development of organic field-effect transistors (OFETs) and other electronic components.

Basic Information

Product Name	4,4''-Bis(Diphenylamino)-[1,1':4',1''-Terphenyl]-2'-Carbaldehyde
CAS No.	2794962-40-4
Molecular Formula	C49H36N2O
Molecular Weight	668.83 g/mol
Synonyms	2'-Formyl-4,4''-bis(diphenylamino)-1,1':4',1''-terphenyl; 4,4''-Bis(diphenylamino)-[1,1':4',1''-terphenyl]-2'-carboxaldehyde; [1,1':4',1''-Terphenyl]-2'-carboxaldehyde, 4,4''-bis(diphenylamino)-; BDT-2-CHO; TPA-TP-CHO; Bis(diphenylamino)terphenylcarbaldehyde
EINECS	Contact for details

Quality Control

Our 4,4''-Bis(Diphenylamino)-[1,1':4',1''-Terphenyl]-2'-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency critical for sensitive electronic 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 place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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