Description

2,5-Bis(Phenylethynyl)Terephthalaldehyde is a high-purity, specialized organic building block featuring a rigid, conjugated molecular structure. This compound is valued for its role as a key intermediate in the synthesis of advanced materials, particularly those requiring specific optical and electronic properties. It is primarily sought by R&D and production teams in the fine chemical, pharmaceutical, and advanced materials sectors for developing novel polymers, liquid crystals, and organic semiconductors.

Application

• Advanced Polymer Synthesis: A critical monomer for constructing rigid-rod polymers and polyimides with high thermal stability and tailored optoelectronic characteristics.
• Organic Semiconductor Development: Serves as a precursor for organic electronic materials used in OLEDs, OFETs, and photovoltaic cells due to its extended π-conjugation.
• Liquid Crystal & Nonlinear Optical Materials: Used in the design of high-performance liquid crystal displays (LCDs) and materials with nonlinear optical (NLO) properties.
• Pharmaceutical Intermediate: Functions as a sophisticated building block in the multi-step synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Coordination Chemistry & Ligand Design: The aldehyde groups provide sites for condensation reactions to create novel chelating ligands for metal-organic frameworks (MOFs) and catalysts.
• Academic & Industrial Research: A valuable reagent for fundamental research in materials science, supramolecular chemistry, and organic synthesis methodologies.

Basic Information

Product Name	2,5-Bis(Phenylethynyl)Terephthalaldehyde
CAS No.	97094-35-4
Molecular Formula	C30H18O2
Molecular Weight	410.47 g/mol
Synonyms	2,5-Bis(phenylethynyl)benzene-1,4-dicarbaldehyde; 1,4-Bis(phenylethynyl)benzene-2,5-dicarboxaldehyde; Terephthalaldehyde, 2,5-bis(phenylethynyl)-; 2,5-Di(phenylethynyl)terephthalaldehyde; 2,5-Bis((phenylethynyl))terephthalaldehyde; 97094-35-4; 2,5-BPET
EINECS	Contact for details

Quality Control

Every batch of 2,5-Bis(Phenylethynyl)Terephthalaldehyde undergoes rigorous analytical testing to ensure it meets the high-purity standards required for advanced research and manufacturing. Our quality assurance protocols include identity confirmation, purity assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. This compound is light-sensitive and easily oxidized; prolonged exposure to air, light, or ambient temperature should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
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.