Description

N4,N4'-Bis(4-Nitrophenyl)-N4,N4'-Diphenyl-[1,1'-Biphenyl]-4,4'-Diamine is a high-purity, specialized aromatic diamine derivative with a complex biphenyl core structure. This compound is valued for its role as a critical intermediate in advanced organic synthesis and materials science research. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Acts as a precursor for hole-transport materials (HTMs) and other components in OLEDs and photovoltaic devices.
• Dye and Pigment Synthesis: Employed in the production of high-performance, color-fast dyes and organic pigments.
• Polymer Science: Utilized as a monomer or cross-linking agent in the synthesis of advanced polyimides and other high-temperature polymers.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and materials science.

Basic Information

Item	Details
Product Name	N4,N4'-Bis(4-Nitrophenyl)-N4,N4'-Diphenyl-[1,1'-Biphenyl]-4,4'-Diamine
CAS No.	20441-08-1
Molecular Formula	C36H26N4O4
Molecular Weight	578.62 g/mol
Synonyms	N,N'-Bis(4-nitrophenyl)-N,N'-diphenylbenzidine; 4,4'-Bis[N-(4-nitrophenyl)-N-phenylamino]biphenyl; N4,N4'-Di-p-nitrophenyl-N4,N4'-diphenylbenzidine; N,N'-Di(4-nitrophenyl)-N,N'-diphenyl-4,4'-diaminobiphenyl; N4,N4'-Bis(4-nitrophenyl)-N4,N4'-diphenylbenzidine; BNDPB; TPBi-NO2 (in materials context); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of N4,N4'-Bis(4-Nitrophenyl)-N4,N4'-Diphenyl-[1,1'-Biphenyl]-4,4'-Diamine is produced and tested under a strict quality management system. Our products undergo rigorous quality testing, including HPLC and NMR analysis, to ensure high purity and consistency suitable for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.