Description

4-[2-(4-Formylphenyl)Ethynyl]Benzaldehyde is a high-purity, bifunctional aromatic dialdehyde building block featuring a rigid ethynyl-linked structure. This compound is valued for its role as a key precursor in the synthesis of advanced organic materials, particularly conjugated polymers and macrocyclic ligands. It is essential for researchers and manufacturers in the fields of organic electronics, pharmaceutical intermediates, and materials science who require precise molecular scaffolds.

Application

• Organic Electronic Materials: A critical monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Pharmaceutical Intermediates: Serves as a versatile building block for creating complex drug candidates and bioactive molecules.
• Metal-Organic Frameworks (MOFs): Used as a linker ligand to construct porous coordination polymers with tailored properties for gas storage and catalysis.
• Macrocyclic Ligands: Employed in the synthesis of Schiff base macrocycles and crown ether analogs for metal ion recognition and catalysis.
• Cross-coupling Reactions: Acts as a substrate in Sonogashira and other palladium-catalyzed coupling reactions to create extended π-systems.
• Liquid Crystals & Advanced Polymers: A precursor for rigid-rod polymers and liquid crystalline materials requiring high thermal and chemical stability.

Basic Information

Product Name	4-[2-(4-Formylphenyl)Ethynyl]Benzaldehyde
CAS No.	84907-55-1
Molecular Formula	C16H10O2
Molecular Weight	234.25 g/mol
Synonyms	1,1'-(1,2-Ethynediyl)bis[4-formylbenzene]; 4,4'-(Ethyne-1,2-diyl)dibenzaldehyde; Bis(4-formylphenyl)acetylene; 4-Formylphenylacetylene-4'-carboxaldehyde; 4-Ethynylbenzaldehyde dimer; p-Formylphenylacetylene-p-carboxaldehyde; Dialdehyde Acetylene Derivative
EINECS	Contact for details

Quality Control

Our 4-[2-(4-Formylphenyl)Ethynyl]Benzaldehyde is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your R&D and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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