Description

2,3,4,5-Tetrachlorothiophene 1,1-Dioxide CAS NO 72448-17-0 is a highly functionalized, fully chlorinated sulfone derivative of thiophene, serving as a critical advanced intermediate in organic synthesis. Its unique structure offers significant value for constructing complex molecules, particularly in the development of high-performance materials and active pharmaceutical ingredients. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce chlorinated sulfone moieties with precise regiochemistry.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting specific enzyme inhibition or requiring unique electronic properties.
• Agrochemical Synthesis: Used in the research and development of new generation herbicides, fungicides, and pesticides where the chlorinated sulfone group enhances biological activity.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and high-temperature stable materials.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalysis, leveraging the electron-withdrawing properties of the sulfone and chlorine groups.
• Organic Electronic Materials: Investigated as a precursor for the synthesis of n-type semiconductors or electron-transport materials in OLEDs and organic photovoltaics.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on heterocyclic chemistry, sulfone chemistry, and the exploration of new synthetic methodologies.

Basic Information

Product Name	2,3,4,5-Tetrachlorothiophene 1,1-Dioxide
CAS No.	72448-17-0
Molecular Formula	C4Cl4O2S
Molecular Weight	259.91 g/mol
Synonyms	Perchlorothiophene 1,1-Dioxide; Tetrachlorothiophene Sulfone; 2,3,4,5-Tetrachlorothiophene Sulfone; Thiophene, 2,3,4,5-tetrachloro-, 1,1-dioxide; NSC 163066; 1,1-Dioxo-2,3,4,5-tetrachloro-2,5-dihydrothiophene; 2,3,4,5-Tetrachloro-thiophene-1,1-dioxide
EINECS	Contact for details

Quality Control

Our 2,3,4,5-Tetrachlorothiophene 1,1-Dioxide is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and elemental analysis, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality system supports development from laboratory to commercial scale, ensuring reliable supply for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, reducing agents, and sources of ignition. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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