9,9-Dimethyl-N,N′-di(1-naphthyl)-N,N′-diphenyl-9H-fluorene-2,7-diamine
9,9-Dimethyl-N,N′-di(1-naphthyl)-N,N′-diphenyl-9H-fluorene-2,7-diamine (CAS: 222319-05-3) is an organic compound with the molecular formula C47H36N2. This material functions as a key component in organic electronics, primarily utilised for its excellent hole transport properties. It is frequently employed in the fabrication of organic light-emitting diode (OLED) devices, contributing to efficient charge transport layers.
- IUPAC
- DMFL-NPB
- Synonyms
- N′-diphenyl-9H-fluorene-2,7-diamine, C47H36N2, DMFL-NPB

Hole Transport Material (HTM)
This compound serves as a highly effective hole transport material in organic electronic devices, facilitating the movement of positive charge carriers. Its performance is critical for the efficiency and longevity of these devices.
OLED and PLED Fabrication
It is widely used in the construction of Organic Light-Emitting Diodes (OLEDs) and Polymer Light-Emitting Diodes (PLEDs). Its inclusion in the device architecture helps in balancing charge injection and transport, leading to improved performance.
Organic Electronics Research
As a specialised material in materials science, it is valuable for research and development in organic and printed electronics. Its defined electronic properties, such as HOMO and LUMO levels, make it suitable for experimental applications.
| Molecular weight | 628.80 |
|---|---|
| Empirical formula | C47H36N2 |
| Assay | 98% (HPLC) |
| Application | This material is a common hole transport material for OLED devices |
| Melting point | 265-270 °C |
| Orbital Energy | HOMO 5.2 eV LUMO 2.3 eV |
|---|
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 9,9-Dimethyl-N,N′-di(1-naphthyl)-N,N′-diphenyl-9H-fluorene-2,7-diamine used for?
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This compound is primarily used as a hole transport material (HTM) in the fabrication of OLED and PLED devices, as well as in organic electronics research.
What are the CAS number and formula for this compound?
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The CAS number is 222319-05-3 and the empirical formula is C47H36N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 98% (HPLC). This is a technical/research grade material and is not represented as USP, BP, or EP.
What are the safety considerations for handling this chemical?
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Please refer to the Safety Data Sheet (SDS) for comprehensive hazard information. As a general precaution, avoid inhalation, skin contact, and eye contact. Use in a well-ventilated area with appropriate personal protective equipment.
How is this chemical shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals. This product is carefully packaged and prepared to meet international shipping and export regulations, ensuring safe and compliant delivery worldwide.
How can I request a sample or quote for this product?
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To request a sample or a quote, please contact our sales team via the website or directly by email. Please provide the product name and CAS number (222319-05-3) in your request.
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