Description

1,3-Bis(4-Formylphenylethynyl)Benzene is a high-purity, functionalized aromatic dialdehyde building block featuring a rigid, conjugated ethynyl-linked structure. This compound is valued for its role as a key monomer in the synthesis of advanced organic materials, particularly conjugated polymers and porous organic frameworks. It is primarily sought by R&D chemists and material scientists in the fields of organic electronics, photovoltaics, and gas storage/separation materials.

Application

• Monomer for Conjugated Polymers: Serves as a critical precursor for synthesizing poly(arylene ethynylene)s (PAEs) and other π-conjugated polymers used in organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Building Block for Covalent Organic Frameworks (COFs): Used in the solvothermal synthesis of porous, crystalline COFs for applications in gas adsorption (H₂, CO₂) and heterogeneous catalysis.
• Ligand Synthesis: The formyl groups provide reactive handles for constructing complex Schiff-base ligands used in coordination chemistry and metal-organic frameworks (MOFs).
• Organic Semiconductor Research: Acts as a core unit in the development of novel small-molecule semiconductors for photovoltaic and sensor applications.
• Cross-coupling Reactions: The ethynyl groups are suitable for Sonogashira and other palladium-catalyzed cross-coupling reactions to create extended molecular architectures.
• Advanced Material Development: Utilized in academic and industrial R&D for creating new materials with tailored optical, electronic, and mechanical properties.

Basic Information

Item	Details
Product Name	1,3-Bis(4-Formylphenylethynyl)Benzene
CAS No.	192188-61-7
Molecular Formula	C₂₄H₁₄O₂
Molecular Weight	334.37 g/mol
Synonyms	1,3-Bis[(4-formylphenyl)ethynyl]benzene; 1,3-Di(4-ethynylbenzaldehyde)benzene; 4,4'-(1,3-Phenylenediethylnylene)dibenzaldehyde; 1,3-Bis(4-ethynylbenzaldehyde)benzene; 1,3-Bis(4-formylphenylethynyl)benzene; 1,3-Bis(p-formylphenylethynyl)benzene; [1,1':3',1''-Terphenyl]-4,4''-dicarboxaldehyde, 5'-ethynyl-; Contact for details
EINECS	Contact for details

Quality Control

Our 1,3-Bis(4-Formylphenylethynyl)Benzene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and GC-MS. 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 place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

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

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