Description

N,N'-Bis(Naphthalene-2-Yl)-N,N'-Bis(Phenyl)Benzidine is a high-purity organic compound primarily used as a key intermediate in advanced material synthesis. This compound is valued for its specific electronic and structural properties, making it essential for applications requiring precise molecular architecture. It is particularly important for manufacturers and R&D facilities in the organic electronics and specialty chemical sectors.

Application

• As a hole-transport material (HTM) or intermediate in the production of organic light-emitting diodes (OLEDs).
• As a key building block in the synthesis of complex organic semiconductors and photoconductive materials.
• In advanced material research for developing novel electronic and optoelectronic devices.
• As a precursor for dyes, pigments, and other functional organic compounds.
• In charge-generation layer (CGL) materials for photocopiers and laser printers.
• For academic and industrial R&D in organic chemistry and materials science.

Basic Information

Product Name	N,N'-Bis(Naphthalene-2-Yl)-N,N'-Bis(Phenyl)Benzidine
CAS No.	139255-17-7
Molecular Formula	C44H30N2
Molecular Weight	586.73 g/mol
Synonyms	N,N'-Di-2-naphthyl-N,N'-diphenylbenzidine; 2,2'-Bis[N-phenyl-N-(2-naphthyl)amino]biphenyl; α-NPD (common abbreviation); N,N'-Bis(2-naphthyl)-N,N'-diphenyl-[1,1'-biphenyl]-4,4'-diamine; N,N'-Di(2-naphthyl)-N,N'-diphenylbenzidine; NTB; N,N'-Bis(2-naphthyl)-N,N'-diphenylbenzidine; 4,4'-Bis[N-(2-naphthyl)-N-phenylamino]biphenyl
EINECS	Contact for details

Quality Control

Our N,N'-Bis(Naphthalene-2-Yl)-N,N'-Bis(Phenyl)Benzidine is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of advanced material applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 an inert atmosphere (e.g., nitrogen or argon). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 99.0% (Area %)
Melting Point	285 - 295 °C
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.