Description

4,4'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Dibenzaldehyde is a high-purity, functionalized organic building block characterized by its rigid, conjugated structure featuring terminal aldehyde groups. This compound matters as a critical precursor in advanced materials science, enabling the synthesis of complex molecular architectures through its reactive formyl termini. It is primarily needed by researchers and manufacturers in the fields of organic electronics, polymer chemistry, and pharmaceutical intermediates, where precise molecular control is paramount.

Application

• Organic Semiconductor Precursor: A key monomer for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and photovoltaic cells.
• Pharmaceutical Intermediate: Serves as a versatile building block for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates.
• Metal-Organic Framework (MOF) Synthesis: Used as an organic linker to create porous, crystalline materials for gas storage, separation, and catalysis.
• Liquid Crystal & Advanced Polymer Development: Imparts rigidity and functionality into polymer backbones for high-performance materials.
• Cross-coupling Reactions (e.g., Sonogashira): An essential substrate in palladium-catalyzed coupling reactions to create extended π-systems.
• Chemical Research & Development: A valuable tool for academic and industrial R&D in synthetic organic and materials chemistry.

Basic Information

Product Name	4,4'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Dibenzaldehyde
CAS No.	192188-70-8
Molecular Formula	C24H14O2
Molecular Weight	334.37 g/mol
Synonyms	1,4-Bis(4-formylphenylethynyl)benzene; 4,4'-(1,4-Phenylenedi-2,1-ethynediyl)bisbenzaldehyde; p-Bis(4-formylphenylethynyl)benzene; 1,4-Di(4-formylphenyl)ethynylbenzene; 4,4'-(1,4-Phenylene)bis(2,1-ethynediyl)dibenzaldehyde; 4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))bis(benzaldehyde); 4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))dibenzaldehyde (IUPAC); 1,4-Bis(4-aldoxyphenylethynyl)benzene
EINECS	Contact for details

Quality Control

Our 4,4'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Dibenzaldehyde is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and structural integrity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee batch-to-batch consistency and traceability for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.