Description

(E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dianiline is a high-purity, conjugated organic compound featuring a central stilbene core symmetrically substituted with primary aniline groups. This specific molecular architecture makes it a valuable advanced intermediate for synthesizing specialized polymers and functional materials. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and advanced electronics sectors for its role in creating novel compounds with tailored optical and electronic properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides with enhanced efficacy and selectivity.
• Organic Electronic Materials: Serves as a core monomer for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Liquid Crystal & Dye Chemistry: Acts as a precursor for creating dyes, pigments, and liquid crystal compounds due to its rigid, planar structure and amine functionality.
• Cross-linking Agent: Utilized in epoxy and polyurethane resin systems to introduce rigidity and thermal stability.
• Research & Development: Essential compound for academic and industrial research in organic synthesis and material science.

Basic Information

Product Name	(E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dianiline
CAS No.	191047-62-8
Molecular Formula	C26H22N2
Molecular Weight	362.47 g/mol
Synonyms	4,4'-Diaminostilbene; (E)-4,4'-Diaminostilbene; 4,4'-(1,2-Diphenylethene-1,2-diyl)dianiline; 4,4'-Diamino-trans-stilbene; trans-4,4'-Diaminostilbene; 4,4'-Stilbenediamine; 4,4'-(E)-Diaminostilbene; 1,1'-(1,2-Diphenylethene-1,2-diyl)bis(4-aminobenzene)
EINECS	Contact for details

Quality Control

Our (E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dianiline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as 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%

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