Description

4,4′-Bis(3,6-Di-tert-Butyl-9H-Carbazol-9-Yl)-1,1′-Biphenyl is a high-performance organic compound belonging to the carbazole-based class, valued for its exceptional hole-transporting and light-emitting properties. This material is engineered to deliver superior stability and efficiency in advanced electronic applications. It is a critical component for manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries seeking to enhance device performance and longevity.

Application

• Hole-Transport Layer (HTL) Material in Organic Light-Emitting Diodes (OLEDs) for displays and lighting.
• Host Material in phosphorescent and thermally activated delayed fluorescence (TADF) OLED emitter systems.
• Electron-Blocking Layer component to improve charge balance and efficiency in optoelectronic devices.
• Organic Semiconductor for use in thin-film transistors (TFTs) and other organic electronic circuits.
• Research & Development of novel organic electronic materials and device architectures.
• Donor Material in bulk heterojunction layers for organic photovoltaic (OPV) cells.

Basic Information

Product Name	4,4′-Bis(3,6-Di-tert-Butyl-9H-Carbazol-9-Yl)-1,1′-Biphenyl
CAS No.	838862-47-8
Molecular Formula	C58H68N2
Molecular Weight	793.17 g/mol
Synonyms	9,9'-[1,1'-Biphenyl]-4,4'-diylbis[3,6-bis(1,1-dimethylethyl)-9H-carbazole]; 4,4'-Bis(3,6-di-tert-butylcarbazol-9-yl)biphenyl; CBP derivative; t-Bu-CBP; BCPB; Hole transport material 1; OLED HTM; 4,4'-Bis(N-carbazolyl)-1,1'-biphenyl derivative
EINECS	Contact for details

Quality Control

Our production of 4,4′-Bis(3,6-Di-tert-Butyl-9H-Carbazol-9-Yl)-1,1′-Biphenyl adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity essential for electronic-grade applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The product is light-sensitive and should be handled under inert atmosphere when possible to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light yellow powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 99.0% (Electronic Grade)
Melting Point	Contact for details
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.