Description

N,N'-Diphenyl-N,N'-Di(4-Formylphenyl)Benzidin is a high-purity, functionalized benzidine derivative characterized by its formylphenyl groups. This compound matters as a versatile and critical organic intermediate, enabling the synthesis of advanced materials and specialty chemicals. It is needed by R&D and production teams in the pharmaceutical, agrochemical, and advanced polymer industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Liquid Crystal & OLED Material Precursor: Serves as a core structure for creating charge-transport materials, host materials, and other functional components in display technologies.
• Polymer & Resin Modifier: Used to introduce aldehyde functionality into polymer chains, enhancing properties like cross-linking density, thermal stability, and adhesion.
• Agrochemical Synthesis: Intermediate in the production of specialized herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Acts as a precursor for high-performance organic dyes and pigments, particularly azo dyes.
• Cross-coupling Reagent: Utilized in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to construct complex biaryl systems.
• Research & Development: Valuable tool in academic and industrial research for exploring new organic reactions and material properties.

Basic Information

Product Name	N,N'-Diphenyl-N,N'-Di(4-Formylphenyl)Benzidin
CAS No.	137911-28-5
Molecular Formula	C38H28N2O2
Molecular Weight	544.64 g/mol
Synonyms	N,N'-Bis(4-formylphenyl)-N,N'-diphenylbenzidine; 4,4'-Bis(diphenylamino)benzophenone (common misnomer); N,N,N',N'-Tetraphenylbenzidine-4,4'-dicarboxaldehyde; TPBD-CHO; TPD-CHO; N,N'-Diphenyl-N,N'-bis(4-formylphenyl)-[1,1'-biphenyl]-4,4'-diamine; Benzidine, N,N'-diphenyl-N,N'-bis(4-formylphenyl)-
EINECS	Contact for details

Quality Control

Our N,N'-Diphenyl-N,N'-Di(4-Formylphenyl)Benzidin is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FT-IR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline 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%
Heavy Metals (as Pb)	≤ 10 ppm

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