Description

1,3,2-Dioxathiepane 2-Oxide is a specialized sulfur-containing heterocyclic compound, recognized for its role as a versatile chemical intermediate and building block in advanced synthesis. Its unique cyclic sulfite/sulfate structure makes it valuable for introducing sulfur-oxygen functionalities into target molecules. This compound is primarily sought by research institutions and industrial R&D departments focused on developing novel materials, pharmaceuticals, and agrochemicals, where it serves as a key precursor for complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring cyclic sulfate or sulfite motifs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, where its heterocyclic structure can contribute to biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the creation of specialty polymers with specific sulfur-containing functional groups.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories as a versatile reagent for ring-opening reactions, alkylations, and the formation of sulfur-carbon bonds.
• Ligand & Catalyst Development: Utilized as a precursor for synthesizing novel ligands and organocatalysts used in asymmetric synthesis and transition metal catalysis.

Basic Information

Product Name	1,3,2-Dioxathiepane 2-Oxide
CAS No.	5732-45-6
Molecular Formula	C4H8O3S
Molecular Weight	136.17 g/mol
Synonyms	1,3,2-Dioxathiepane 2,2-dioxide (common misnomer); 1,2-Oxathiepane 2,2-dioxide; Ethylene sulfite cyclic dimer; 2-Oxo-1,3,2-dioxathiepane; Thiolane S,S-dioxide derivative; Cyclic ethylene sulfite trimer (related); 1,3,2-Dioxathiepan-2-one 2-oxide
EINECS	Contact for details

Quality Control

Our production of 1,3,2-Dioxathiepane 2-Oxide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 bases and reducing agents. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.