Description

4,4'-Bis(9-Carbazolyl)-2,2'-Dimethylbiphenyl (CAS NO 604785-54-8) is a high-purity, functional organic compound belonging to the carbazole derivative family. This material is a critical hole-transport material (HTM) and host material essential for advanced optoelectronic device performance. It is primarily required by manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries for developing high-efficiency displays and energy solutions.

Application

• Hole-Transport Layer (HTL) in OLEDs: A key component in the emissive stack of OLED devices for smartphones, TVs, and lighting panels.
• Host Material in Phosphorescent OLEDs (PHOLEDs): Used to disperse and stabilize precious metal-based phosphorescent emitters, enhancing device efficiency and lifetime.
• Electron-Blocking Layer: Improves charge carrier balance within the OLED structure to maximize light output.
• Organic Photovoltaic (OPV) Cells: Employed as a donor or charge-transport material in the active layer of solar cells.
• Perovskite Solar Cells: Functions as a hole-transport material in next-generation photovoltaic devices.
• Organic Field-Effect Transistors (OFETs): Used as a semiconducting layer due to its favorable charge carrier mobility.
• Research & Development: Serves as a benchmark compound in academic and industrial R&D for novel organic electronic materials.

Basic Information

Product Name	4,4'-Bis(9-Carbazolyl)-2,2'-Dimethylbiphenyl
CAS No.	604785-54-8
Molecular Formula	C40H28N2
Molecular Weight	536.67 g/mol
Synonyms	CDBP; 2,2'-Dimethyl-4,4'-bis(9H-carbazol-9-yl)-1,1'-biphenyl; 9,9'-(2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis-9H-carbazole; CBP Derivative; Hole Transport Material 016; HTM-CzBP; BCzDMB; 4,4'-Bis(carbazol-9-yl)-2,2'-dimethylbiphenyl
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis(9-Carbazolyl)-2,2'-Dimethylbiphenyl adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance in sensitive electronic applications. We provide comprehensive Certificates of Analysis (COA) detailing purity, impurity profiles, and key physical properties. Our quality system is designed to meet the exacting standards of the optoelectronics and advanced materials industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.5% (GC)
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Moisture Content (KF)	≤ 0.1%

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