Description

2 5-Thiophenedicarbonyl Dichloride 97 is a high-purity, reactive organic intermediate primarily used as a key building block in advanced chemical synthesis. Its value lies in its ability to efficiently introduce the thiophene dicarbonyl moiety into target molecules, enabling the creation of complex structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing thiophene-based heterocycles.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the thiophene ring contributes to biological activity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, liquid crystals, and organic electronic materials.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and pigments for high-performance applications.
• Ligand & Catalyst Development: Employed in the preparation of novel ligands for metal-organic frameworks (MOFs) and catalytic systems.
• Research & Development: A versatile reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Item	Details
Product Name	2 5-Thiophenedicarbonyl Dichloride 97
CAS No.	3857-36-1
Molecular Formula	C6H2Cl2O2S
Molecular Weight	209.05 g/mol
Synonyms	2,5-Thiophenedicarboxylic Acid Dichloride; Thiophene-2,5-dicarbonyl Dichloride; 2,5-Dichlorocarbonylthiophene; 2,5-Bis(chlorocarbonyl)thiophene; Thiophene-2,5-dicarboxylic Acid Chloride; 2,5-Thiophenedicarboxylic Dichloride; 3857-36-1; NSC 404099
EINECS	223-375-4

Quality Control

Our 2 5-Thiophenedicarbonyl Dichloride 97 is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure it meets the declared purity and specification. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and compliance for your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with moisture and strong bases. Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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