Description

Benzenamine, 4,4'-(1,2-Ethynediyl)Bis[N,n-Bis(4-Methoxyphenyl)- is a specialized aromatic amine derivative featuring a central ethynediyl bridge and multiple methoxyphenyl groups, making it a valuable intermediate in advanced material synthesis. Its molecular architecture is engineered to impart specific electronic and structural properties, which are critical for high-performance applications. This compound is primarily sought by R&D and production teams in the organic electronics, photoresist, and specialty polymer industries for developing next-generation functional materials.

Application

• Organic Semiconductor Precursor: Serves as a key building block for hole-transport materials (HTMs) and electron donors in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Photoresist & Photoacid Generator (PAG) Component: Used in the formulation of advanced chemically amplified resists for high-resolution semiconductor lithography processes.
• Specialty Polymer Monomer: Acts as a functional monomer for synthesizing polyimides, polyamides, and other high-temperature polymers with enhanced thermal stability and optical clarity.
• Liquid Crystal & Display Material Intermediate: Employed in the synthesis of compounds for liquid crystal displays (LCDs) and other electro-optical devices.
• Pharmaceutical & Agrochemical Intermediate: Utilized in research for constructing complex molecular scaffolds in drug discovery and crop protection agent development.
• Crosslinking Agent: Functions as a crosslinker in epoxy resin systems and other thermosetting polymers to modify mechanical and thermal properties.

Basic Information

Product Name	Benzenamine, 4,4'-(1,2-Ethynediyl)Bis[N,n-Bis(4-Methoxyphenyl)-
CAS No.	173981-68-5
Molecular Formula	C44H38N2O4
Molecular Weight	658.79 g/mol
Synonyms	4,4'-(1,2-Ethynediyl)bis[N,N-bis(4-methoxyphenyl)aniline]; N,N,N',N'-Tetrakis(4-methoxyphenyl)-1,2-diphenylethynyl-4,4'-diamine; 1,2-Bis(4-(bis(4-methoxyphenyl)amino)phenyl)ethyne; Tetrakis(4-methoxyphenyl)-1,2-diphenylethynyl-4,4'-diamine; TPE-TPA derivative; Ethynylene-bridged tetraanisylamine; Hole transport material intermediate
EINECS	Contact for details

Quality Control

Every batch of our Benzenamine, 4,4'-(1,2-Ethynediyl)Bis[N,n-Bis(4-Methoxyphenyl)- is produced under strict quality management protocols. We employ advanced analytical techniques including HPLC, GC-MS, NMR, and elemental analysis to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are provided to ensure full traceability and compliance with your R&D and manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should be conducted under subdued light or amber containers to maintain product integrity.

Specification

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

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