Description

2,5-Dichlorothiophene is a halogenated heterocyclic compound that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. Its value lies in its reactive dichloro-substituted thiophene core, which enables precise functionalization for creating complex molecular architectures. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require reliable, high-quality intermediates for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of novel therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophene moiety imparts specific biological activity.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and photovoltaic cells.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Intermediate for the synthesis of high-performance dyes and functional pigments.
• Chemical Research & Development: A valuable reagent for method development and exploratory synthesis in academic and industrial R&D laboratories.

Basic Information

Product Name	2,5-Dichlorothiophene
CAS No.	173777-89-4
Molecular Formula	C4H2Cl2S
Molecular Weight	153.03 g/mol
Synonyms	2,5-Dichlorothiophene; Thiophene, 2,5-dichloro-; 2,5-DCT; NSC 408324; 2,5-Dichloro-thiophene; 2,5-Dichlorothiofuran; 2,5-Dichloro-1-thia-2,4-cyclopentadiene
EINECS	Contact for details

Quality Control

Our 2,5-Dichlorothiophene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to verify identity and purity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support compliance with global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 98.0%
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.