Description

2,5-Di(4-Formylphenyl)Thiophene is a high-purity organic building block featuring a central thiophene ring symmetrically functionalized with formylphenyl groups. This compound matters as a critical precursor in the synthesis of advanced organic electronic materials and functional polymers, where its defined structure enables precise molecular engineering. It is essential for R&D and production teams in the organic semiconductor, OLED, and specialty polymer industries seeking to develop next-generation optoelectronic devices.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing conjugated polymers and small molecules used in organic field-effect transistors (OFETs) and photovoltaics (OPVs).
• OLED Material Development: Serves as a core intermediate for electron-transport materials (ETMs), host materials, and emitting layer components in display and lighting technologies.
• Metal-Organic Framework (MOF) Construction: Utilized as a functional linker to create porous materials with tailored properties for gas storage, separation, and catalysis.
• Functional Dye and Pigment Production: Acts as a precursor for synthesizing novel dyes with specific light-absorption and emission characteristics.
• Polymer Chemistry Research: Employed in the development of novel polyimides, polyazomethines, and other high-performance polymers requiring rigid, planar building blocks.
• Ligand Synthesis for Catalysis: Used to create sophisticated ligands for transition metal catalysts in cross-coupling and other organic transformations.

Basic Information

Product Name	2,5-Di(4-Formylphenyl)Thiophene
CAS No.	193903-62-7
Molecular Formula	C20H14O2S
Molecular Weight	318.39 g/mol
Synonyms	2,5-Bis(4-formylphenyl)thiophene; 4,4'-(Thiophene-2,5-diyl)dibenzaldehyde; 2,5-Di(4-carboxaldehydephenyl)thiophene; 2,5-Bis(p-formylphenyl)thiophene; 2,5-Di(p-formylphenyl)thiophene; 2,5-Di(4-aldehydophenyl)thiophene; 2,5-Di(4-oxomethylphenyl)thiophene; Thiophene-2,5-diylbis(4,1-phenylene)dimethanol (oxidized form)
EINECS	Contact for details

Quality Control

Our 2,5-Di(4-Formylphenyl)Thiophene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency critical for sensitive electronic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation, especially after the container has been opened.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	< 10 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.