Description

Thiolane-2,5-Dione CAS NO 3194-60-3 is a high-purity, five-membered heterocyclic compound featuring a thiolane (tetrahydrothiophene) ring with two carbonyl groups at the 2 and 5 positions. This versatile sulfur-containing building block is critical for advanced organic synthesis, particularly in the development of novel pharmaceuticals and functional materials. It serves as a key intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to incorporate unique sulfur-based moieties into their target molecules.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its sulfur heterocycle for bioactivity.
• Ligand and Catalyst Development: Serves as a building block for creating specialized ligands and organocatalysts used in asymmetric synthesis and metal complexation.
• Polymer and Material Science: Incorporated into polymer backbones to modify physical properties like thermal stability, elasticity, and refractive index.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new heterocyclic chemistry, ring-opening reactions, and cross-coupling methodologies.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing complex sulfur-containing aroma compounds, subject to appropriate purity grades and regulatory compliance.

Basic Information

Product Name	Thiolane-2,5-Dione
CAS No.	3194-60-3
Molecular Formula	C4H4O2S
Molecular Weight	116.14 g/mol
Synonyms	2,5-Thiolanedione; Tetrahydrothiophene-2,5-dione; 2,5-Dioxotetrahydrothiophene; Succinic anhydride sulfide; 1,4-Dithiane-2,5-diol, 2,5-dihydro-; Butanedioic anhydride, thio-; Thiophene-2,5-dione, tetrahydro-
EINECS	221-714-1

Quality Control

Our Thiolane-2,5-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical and fine chemical synthesis.

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 oxidizing agents, strong bases, and moisture. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%
Heavy Metals	≤ 20 ppm

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