Description

4,4'-Bi-9H-Carbazole is a high-purity organic compound belonging to the carbazole dimer class, serving as a critical building block in advanced material science. Its value lies in its rigid, conjugated structure, which is essential for developing high-performance optoelectronic materials. This compound is primarily needed by researchers and manufacturers in the organic light-emitting diode (OLED), photonics, and organic semiconductor industries.

Application

• OLED Emitter and Host Material: A key intermediate for synthesizing high-efficiency blue and deep-blue fluorescent or phosphorescent emitters and host materials in OLED displays and lighting.
• Organic Photovoltaic (OPV) Cells: Used as a donor or acceptor material component in the active layer of solar cells due to its favorable electron-donating and charge-transport properties.
• Organic Field-Effect Transistors (OFETs): Acts as a semiconductor layer material, contributing to improved charge carrier mobility and device stability.
• Photoconductive and Electrophotographic Materials: Employed in the production of photoreceptors for photocopiers and laser printers.
• Chemical Synthesis Intermediate: Serves as a versatile precursor for constructing more complex π-conjugated systems, dendrimers, and polymers for specialized applications.
• Research & Development: A fundamental compound for academic and industrial R&D in exploring new organic electronic materials and their structure-property relationships.

Basic Information

Item	Detail
Product Name	4,4'-Bi-9H-Carbazole
CAS No.	90504-16-8
Molecular Formula	C24H16N2
Molecular Weight	332.40 g/mol
Synonyms	9,9'-Bicarbazole; 4,4'-Bicarbazole; 9H,9'H-4,4'-Bicarbazole; 4,4'-Dicarbazyl; N,N'-Bicarbazole; 4,4'-Bi(carbazole); 4,4'-Bis(9H-carbazole); 4,4'-Linked Bicarbazole
EINECS	Contact for details

Quality Control

Our 4,4'-Bi-9H-Carbazole is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity critical for sensitive electronic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat and incompatible materials. For long-term storage, consider an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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