Description

3,4-Dichlorothiophene 1,1-Dioxide is a high-purity, specialized heterocyclic sulfone building block of significant interest in advanced organic synthesis. This compound serves as a critical precursor for the development of novel materials and active pharmaceutical ingredients (APIs), enabling complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for creating new molecules with tailored properties.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug candidates, particularly those containing functionalized thiophene or sulfone moieties.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive dichloro and sulfone groups.
• Material Science: Serves as a monomer or precursor for conductive polymers, organic semiconductors, and advanced polymeric materials.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, nucleophilic substitutions, and as a substrate for further functionalization in medicinal chemistry.
• Ligand and Catalyst Development: Useful for constructing novel chelating ligands or organocatalysts in asymmetric synthesis.

Basic Information

Product Name	3,4-Dichlorothiophene 1,1-Dioxide
CAS No.	52819-14-4
Molecular Formula	C4H2Cl2O2S
Molecular Weight	192.03 g/mol
Synonyms	3,4-Dichlorothiophene Sulfone; 3,4-Dichloro-1λ6-thiophene-1,1-dione; 3,4-Dichlorothiophene-1,1-dioxide; 3,4-Dichlorothiophene S,S-dioxide; Thiophene, 3,4-dichloro-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 3,4-Dichlorothiophene 1,1-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment to guarantee batch-to-batch consistency and compliance with your research or production specifications.

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). Keep away from strong bases and reducing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.