Description

4,4'-(Benzo[C]Selenophene-4,7-Diyl)Dianiline is a high-purity, advanced organic intermediate featuring a rigid benzo[c]selenophene core symmetrically functionalized with aniline groups. This compound matters for its role as a critical building block in the synthesis of novel conjugated polymers and small molecules for next-generation electronic materials. It is primarily needed by R&D and production teams in the organic electronics, photovoltaics, and specialty chemical sectors seeking to develop materials with tailored optoelectronic properties.

Application

• Key monomer for synthesizing conjugated polymers used in Organic Photovoltaics (OPVs) and Perovskite Solar Cells.
• Building block for Organic Light-Emitting Diode (OLED) emitters and transport materials.
• Precursor for Organic Field-Effect Transistor (OFET) semiconductors.
• Intermediate in the development of electrochromic materials and chemical sensors.
• Used in academic and industrial research for exploring selenophene-based π-conjugated systems.
• Starting material for dye-sensitized solar cells (DSSCs) and photocatalysts.

Basic Information

Product Name	4,4'-(Benzo[C]Selenophene-4,7-Diyl)Dianiline
CAS No.	2757730-34-8
Molecular Formula	C18H14N2Se
Molecular Weight	337.28 g/mol
Synonyms	4,4'-(4,7-Benzo[c]selenophenediyl)dianiline; 4,7-Bis(4-aminophenyl)benzo[c]selenophene; 4,7-Di(4-aminophenyl)benzo[c]selenophene; Benzo[c]selenophene-4,7-diylbis(4,1-phenylene))diamine; 4,7-Bis(4-aminophenyl)selenanthrene; Dianiline-functionalized benzoselenophene; BPDASe (commonly used abbreviation); 4,7-Bis(anilin-4-yl)benzo[c]selenophene
EINECS	Contact for details

Quality Control

Our 4,4'-(Benzo[C]Selenophene-4,7-Diyl)Dianiline is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, critical for electronic material performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption, which can affect purity and reactivity. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5% w/w

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