Description

Benzaldehyde, 4,4'-[(2,5-Dimethoxy-1,4-Phenylene)Di-2,1-Ethynediyl]Bis-] CAS NO 1190963-83-7 is a specialized organic compound featuring a conjugated bis(ethynyl)benzaldehyde structure with dimethoxy substituents. This unique molecular architecture makes it a valuable advanced intermediate for synthesizing complex organic materials, particularly in cutting-edge research and development. It is primarily sought by pharmaceutical researchers and material scientists working on novel polymers, organic electronics, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring rigid, conjugated molecular frameworks.
• Organic Electronic Materials: Serves as a precursor for organic semiconductors, conductive polymers, and light-emitting materials used in OLEDs, OFETs, and photovoltaic cells.
• Ligand Synthesis: Used to create sophisticated ligands for catalysis and metal-organic frameworks (MOFs) due to its aldehyde and ethynyl functional groups.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for developing high-performance polymers with specific optical or electronic properties.
• Chemical Research: Employed in academic and industrial R&D for exploring new reactions and creating novel molecular architectures.
• Agrochemical Synthesis: Potential intermediate in the development of new crop protection agents and specialty agrochemicals.

Basic Information

Product Name	Benzaldehyde, 4,4'-[(2,5-Dimethoxy-1,4-Phenylene)Di-2,1-Ethynediyl]Bis-]
CAS No.	1190963-83-7
Molecular Formula	C22H14O4
Molecular Weight	342.34 g/mol
Synonyms	4,4'-(2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl)dibenzaldehyde; 1,4-Bis(4-formylphenylethynyl)-2,5-dimethoxybenzene; 2,5-Dimethoxy-1,4-bis(4-ethynylbenzaldehyde)benzene; 2,5-Dimethoxy-1,4-di(4-formylphenylethynyl)benzene; Bis(4-formylphenylethynyl)-2,5-dimethoxybenzene; Conjugated Dialdehyde Intermediate; DMOP-DEB Aldehyde
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive R&D and scale-up processes. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support development projects with custom synthesis and purity grade options upon request.

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 light-sensitive and easily oxidized; prolonged exposure to air, light, or moisture should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Purity (HPLC)	≥ 98.0% (High Purity Grade)
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.