Description

5,5'-(Ethyne-1,2-Diyl)Diisophthalaldehyde is a high-purity, multi-functional aromatic dialdehyde building block. This compound is valued for its rigid, linear structure and dual aldehyde functionality, which are critical for constructing advanced organic frameworks and materials. It is essential for researchers and manufacturers in the fields of pharmaceutical intermediates, organic electronics, and metal-organic framework (MOF) synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Electronic Materials: Used in the development of organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its conjugated backbone.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker for constructing porous coordination polymers with applications in gas storage, separation, and catalysis.
• Polymer Chemistry: Employed as a cross-linking agent or monomer for producing high-performance polymers, resins, and specialty coatings.
• Ligand Synthesis: Useful for creating chelating ligands in coordination chemistry and catalysis research.
• Chemical Research & Development: A valuable building block for academic and industrial R&D in synthetic organic and materials chemistry.

Basic Information

Product Name	5,5'-(Ethyne-1,2-Diyl)Diisophthalaldehyde
CAS No.	2237965-02-3
Molecular Formula	C18H10O4
Molecular Weight	290.27 g/mol
Synonyms	5,5'-(1,2-Ethanediyl)bis-1,3-benzenedicarboxaldehyde; 5,5'-(Ethynediyl)diisophthalaldehyde; 1,1'-(1,2-Ethynediyl)bis[3-formylbenzoic acid] dialdehyde derivative; Bis(3-formyl-5-formylphenyl)acetylene; Diisophthalaldehyde acetylene derivative; 5,5'-Ethynylenediisophthalaldehyde
EINECS	Contact for details

Quality Control

Our 5,5'-(Ethyne-1,2-Diyl)Diisophthalaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) with detailed specifications are available upon request.

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 strong oxidizing agents and moisture.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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