N,N′-Bis(phenanthren-9-yl)-N,N′-bis(phenyl)-benzidine
N,N′-Bis(phenanthren-9-yl)-N,N′-bis(phenyl)-benzidine (CAS: 182507-83-1) is a high-purity organic compound with a molecular weight of 688.86 g/mol. Primarily functioning as a hole transport material, it is integral to the performance of organic light-emitting diode (OLED) devices. Its specific molecular structure facilitates efficient charge mobility, making it a valuable component in advanced electronic applications.
- IUPAC
- N,N′-Di-[(9-phenanthrenyl)-N,N′-diphenyl]-1,1′-biphenyl-4,4′-diamine,PAPB
- Synonyms
- 182507-83-1C52H36N2N,N′-Di-[(9-phenanthrenyl)-N,N′-diphenyl]-1,1′-biphenyl-4,4′-diaminePAPB

OLED Device Fabrication
This compound serves as a critical hole transport material (HTM) in the fabrication of organic light-emitting diodes (OLEDs). It facilitates the efficient movement of positive charge carriers to the emissive layer, thereby improving device efficiency and performance.
Organic Electronics
As a key material in organic and printed electronics, it contributes to the development of next-generation displays and lighting solutions. Its properties are well-suited for applications requiring stable and efficient charge transport layers.
Hole Injection Layers (HIL)
Beyond hole transport, this material can also be utilised in hole injection layers (HILs) within optoelectronic devices. This dual functionality enhances its versatility in device architecture optimisation.
| Molecular weight | 688.86 |
|---|---|
| Empirical formula | C52H36N2 |
| Assay | 99% (HPLC) |
| Application | This material is a common hole transport material for OLED devices.1 |
| Melting point | 287-293 °C |
| Absorption | /256 nm 115696/297 nm 30624/338 nm 42143 |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is N,N′-Bis(phenanthren-9-yl)-N,N′-bis(phenyl)-benzidine used for?
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This compound is predominantly used as a hole transport material (HTM) in OLED devices and other organic electronic applications.
What is the CAS number and molecular formula?
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The CAS number is 182507-83-1 and the empirical formula is C52H36N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a purity of 99% (HPLC). We do not represent it as USP, BP, or EP grade.
What are the safety and handling considerations?
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Handling requires appropriate personal protective equipment. Consult the Safety Data Sheet (SDS) for comprehensive hazard information and safe handling procedures. Specific hazards include those associated with combustible dust.
How is the product packed and shipped?
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This chemical is carefully packed to ensure integrity during transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation.
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