Description

2,5-Dichlorothiophene-3,4-Dicarbaldehyde is a high-purity, multi-functional heterocyclic building block of significant interest in advanced organic synthesis. Its unique structure, featuring two aldehyde groups on a dichlorinated thiophene core, makes it a versatile precursor for constructing complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the thiophene moiety can impart specific biological activity.
• Organic Electronic Materials: Serves as a crucial precursor for synthesizing conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and solar cells.
• Ligand and Catalyst Development: The aldehyde groups provide handles for creating sophisticated chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Acts as a building block for synthesizing specialized dyes and functional colorants with specific optical properties.
• Academic and Industrial R&D: A valuable reagent for methodological development and exploring new chemical spaces in synthetic organic chemistry.

Basic Information

Product Name	2,5-Dichlorothiophene-3,4-Dicarbaldehyde
CAS No.	55581-76-5
Molecular Formula	C6H2Cl2O2S
Molecular Weight	209.05 g/mol
Synonyms	3,4-Diformyl-2,5-dichlorothiophene; 2,5-Dichloro-3,4-thiophenedicarboxaldehyde; 2,5-Dichlorothiophene-3,4-dialdehyde; Thiophene-3,4-dicarboxaldehyde, 2,5-dichloro-; 2,5-Dichloro-thiophene-3,4-dicarbaldehyde
EINECS	Contact for details

Quality Control

Every batch of 2,5-Dichlorothiophene-3,4-Dicarbaldehyde is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles by HPLC, NMR, and other relevant techniques is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.