Description

trans-Sulfolene Dichloride is a versatile and reactive organosulfur compound, primarily valued as a key synthetic intermediate in the production of fine chemicals and active pharmaceutical ingredients (APIs). Its unique structure, featuring a sulfolene ring with two chlorine atoms, makes it an essential building block for introducing sulfur-containing functional groups into target molecules. This high-purity chemical is critical for research and development laboratories and manufacturing facilities in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable and consistent raw materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of complex drug molecules, particularly those requiring sulfone or cyclic sulfonate moieties.
• Agrochemical Synthesis: Used in the manufacture of advanced herbicides, fungicides, and insecticides where the sulfolene core contributes to biological activity.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers with enhanced thermal or chemical resistance.
• Ligand and Catalyst Preparation: Employed in organic and organometallic chemistry to create novel sulfur-based ligands for catalytic systems.
• Chemical Research: A valuable reagent for academic and industrial R&D focused on heterocyclic chemistry and new synthetic methodologies.
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	trans-Sulfolene Dichloride
CAS No.	20688-41-9
Molecular Formula	C4H4Cl2O2S
Molecular Weight	187.05 g/mol
Synonyms	3,4-Dichloro-2,5-dihydrothiophene 1,1-dioxide; 3,4-Dichlorosulfolene; 3,4-Dichloro-2,5-dihydrothiophene-1,1-dioxide; trans-3,4-Dichlorosulfolene; 3,4-Dichloro-δ³-sulfolene; NSC 408981; 2,5-Dihydro-3,4-dichlorothiophene-1,1-dioxide
EINECS	Contact for details

Quality Control

Our trans-Sulfolene Dichloride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, impurities, and physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its reactivity, it should be stored under an inert atmosphere if specified for high-purity grades.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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