Description

5,5'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Diisophthalaldehyde is a high-purity, specialized organic building block featuring a rigid, conjugated aromatic structure with terminal aldehyde groups. This compound matters as a critical precursor for synthesizing advanced functional materials, including organic semiconductors, metal-organic frameworks (MOFs), and conjugated polymers. It is essential for researchers and manufacturers in the fields of organic electronics, advanced sensor technology, and materials science who require precise molecular architecture for developing next-generation devices.

Application

• Organic Semiconductor Synthesis: Serves as a key monomer for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics (OPVs).
• Metal-Organic Framework (MOF) Precursor: The dialdehyde functionality acts as a versatile linker for creating porous, crystalline MOFs with tailored properties for gas storage, separation, and catalysis.
• Ligand and Chelating Agent: Used in the development of complex ligands for catalysis and coordination chemistry due to its ability to bind metal ions.
• Pharmaceutical Intermediate: Employed in the research and development of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer Cross-Linking Agent: Utilized to introduce rigidity and thermal stability into polymer networks through its reactive aldehyde groups.
• Chemical Sensor Development: Acts as a sensing element or a building block for fluorescent probes and chemosensors.

Basic Information

Product Name	5,5'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Diisophthalaldehyde
CAS No.	2380275-60-3
Molecular Formula	C26H14O4
Molecular Weight	390.39 g/mol
Synonyms	1,4-Bis(3,5-diformylphenylethynyl)benzene; 5,5'-(1,4-Phenylenedi-2,1-ethynediyl)bis-1,3-benzenedicarboxaldehyde; 1,4-Di(3,5-diformylphenylethynyl)benzene; 5,5'-(1,4-Phenylene-bis(ethyne-2,1-diyl))diisophthalaldehyde; Bis(3,5-diformylphenyl)ethynylbenzene; p-Bis(3,5-diformylphenylethynyl)benzene; TPEB dialdehyde
EINECS	Contact for details

Quality Control

Our 5,5'-(1,4-Phenylenebis(Ethyne-2,1-Diyl))Diisophthalaldehyde is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance requirements.

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

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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