Description

[1,3]-Oxathiolan-2-One is a versatile heterocyclic organic compound featuring a five-membered ring containing both sulfur and oxygen. This unique structure makes it a valuable chemical intermediate and building block in advanced organic synthesis, particularly for the development of pharmaceuticals and agrochemicals. It is primarily sought after by research institutions, fine chemical manufacturers, and pharmaceutical R&D departments for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those containing sulfur heterocycles.
• Agrochemical Synthesis: Used as a building block for developing novel herbicides, fungicides, and insecticides.
• Organic Synthesis Reagent: Serves as a versatile reagent for ring-forming reactions and the introduction of sulfur-containing functional groups.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced materials.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies and the discovery of new synthetic pathways.

Basic Information

Product Name	[1,3]-Oxathiolan-2-One
CAS No.	3326-89-4
Molecular Formula	C3H4O2S
Molecular Weight	104.13 g/mol
Synonyms	1,3-Oxathiolan-2-one; 2-Oxo-1,3-oxathiolane; 3-Hydroxypropanethioic acid S-acid; Ethylene sulfite; 1,3-Oxathiolane-2-one; Thiocarbonate O-ethylene; Ethylene monothiocarbonate
EINECS	222-045-4

Quality Control

Our [1,3]-Oxathiolan-2-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a synthesis intermediate. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to support cGMP and ISO standards for reliable supply to regulated industries.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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