Description

Sulfolene is a versatile, high-purity organic compound with the CAS registry number 28452-93-9, serving as a key intermediate and reagent in advanced chemical synthesis. Its primary value lies in its role as a stable, solid precursor to butadiene sulfone, enabling safer handling and controlled reactions in demanding industrial processes. This product is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty polymer sectors seeking reliable, high-quality raw materials for complex synthesis.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs) and sulfone-containing drugs.
• Chemical Synthesis Reagent: Used as a diene in Diels-Alder reactions and as a source of sulfur dioxide in controlled release applications.
• Polymer & Resin Production: Acts as a monomer or modifier in the production of specialty polymers, including polysulfones and high-performance resins.
• Agrochemical Manufacturing: Employed in the synthesis of certain herbicides, fungicides, and other crop protection agents.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic transformations and material science.

Basic Information

Product Name	Sulfolene
CAS No.	28452-93-9
Molecular Formula	C4H6O2S
Molecular Weight	118.16 g/mol
Synonyms	2,5-Dihydrothiophene 1,1-dioxide; 3-Sulfolene; Butadiene sulfone; 2,5-Dihydrothiophene-1,1-dioxide; Thiophene-1,1-dioxide, 2,5-dihydro-; NSC 28693; 1λ⁶-Thiophene-1,1-dione, 2,5-dihydro-
EINECS	249-037-1

Quality Control

Our Sulfolene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	64 - 67 °C
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.