Description

Benzene, 1,4-Diethynyl-2,5-Bis[(1E)-2-Phenylethenyl]- is a highly conjugated organic compound featuring a central benzene core symmetrically substituted with ethynyl and phenylethenyl groups, making it a valuable advanced intermediate for materials science. This compound matters for its role as a key building block in the synthesis of novel organic semiconductors, light-emitting materials, and advanced polymers with tailored electronic and optical properties. It is primarily needed by R&D chemists and manufacturers in the organic electronics, photonics, and specialty polymer industries.

Application

• Organic Semiconductor Precursor: A critical building block for synthesizing p-type or n-type organic semiconductor materials used in OFETs (Organic Field-Effect Transistors).
• Light-Emitting Material Synthesis: Serves as a core structure for developing novel emitters and host materials for OLED (Organic Light-Emitting Diode) displays and lighting.
• Conjugated Polymer Development: Used in the polymerization or copolymerization to create conjugated polymers with specific band gaps for solar cells and electrochromic devices.
• Nonlinear Optical (NLO) Materials: Its extended π-conjugation system makes it a candidate for developing materials with second- or third-order nonlinear optical properties.
• Chemical Sensor Fabrication: Incorporated into sensing layers where its structural changes upon analyte interaction can be detected electronically or optically.
• Academic & Industrial R&D: A versatile intermediate for exploring new molecular architectures in supramolecular chemistry and advanced organic synthesis.

Basic Information

Item	Detail
Product Name	Benzene, 1,4-Diethynyl-2,5-Bis[(1E)-2-Phenylethenyl]-
CAS No.	942125-71-5
Molecular Formula	C30H20
Molecular Weight	380.48 g/mol
Synonyms	1,4-Bis(phenylethynyl)-2,5-distyrylbenzene; 2,5-Distyryl-1,4-bis(phenylethynyl)benzene; 1,4-Diethynyl-2,5-distyrylbenzene; p-Bis(phenylethynyl)-m-distyrylbenzene; AE-1; A key intermediate for organic electronic materials; A conjugated organic building block
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1,4-Diethynyl-2,5-Bis[(1E)-2-Phenylethenyl]- undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, critical for sensitive electronic applications. Our quality assurance protocol includes advanced chromatographic and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your R&D and quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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