Description

2,2'-(4,4'-(Phenylphosphoryl)Bis(4,1-Phenylene))Bis(1-Phenyl-1H -Benzo[D]Imidazole) is a high-performance organic compound featuring a complex molecular architecture centered on a phenylphosphoryl core flanked by benzimidazole units. This structure is engineered to deliver exceptional thermal stability and electron-transport properties, making it a critical advanced material for next-generation technologies. It is primarily sought by manufacturers in the organic electronics, OLED (Organic Light-Emitting Diode), and specialty polymer sectors for developing high-efficiency devices.

Application

• OLED Emitter and Host Material: Used as an electron-transport layer (ETL) or host material in OLED displays and lighting due to its high electron affinity and thermal stability.
• Organic Photovoltaic (OPV) Cells: Serves as a key component in the active layer of solar cells to improve charge separation and transport efficiency.
• Advanced Polymer Synthesis: Acts as a monomer or additive for creating high-performance, heat-resistant polymers and polyimides.
• Optical Sensor Development: Utilized in the fabrication of chemical sensors and biosensors owing to its photophysical properties.
• Phosphorescent Material: Potential application in phosphorescent dopants for achieving long-lived excited states in optoelectronic devices.
• Research & Development: A valuable intermediate for academic and industrial R&D in materials science and organic chemistry.

Basic Information

Product Name	2,2'-(4,4'-(Phenylphosphoryl)Bis(4,1-Phenylene))Bis(1-Phenyl-1H -Benzo[D]Imidazole)
CAS No.	1426143-77-2
Molecular Formula	C56H38N4OP
Molecular Weight	807.91 g/mol
Synonyms	Bis(2-(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)phenyl)phosphine oxide; 2,2'-(4,4'-(Phenylphosphoryl)bis(4,1-phenylene))bis(1-phenyl-1H-benzo[d]imidazole); Phenylbis(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)phosphine oxide; PO-2PBI; Phosphine oxide-based benzimidazole derivative; OLED electron transport material 1426143-77-2; Bis-benzimidazole phosphine oxide.
EINECS	Contact for details

Quality Control

Every batch of our 2,2'-(4,4'-(Phenylphosphoryl)Bis(4,1-Phenylene))Bis(1-Phenyl-1H -Benzo[D]Imidazole) undergoes rigorous analytical testing to ensure it meets the stringent purity requirements for electronic-grade materials. Our quality assurance protocol includes advanced chromatographic and spectroscopic methods. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality and regulatory documentation.

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). This material is light-sensitive (store away from light). Keep the container tightly sealed to protect from moisture absorption.

Specification

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