Description

1,3,2-Dioxathiane 2-Oxide is a specialized organosulfur compound with a unique cyclic sulfite structure. This chemical serves as a versatile intermediate and reagent in advanced organic synthesis, valued for its ability to act as a protected form of sulfur dioxide or as a chiral building block. It is primarily sought by research institutions and chemical manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chiral sulfoxide or sulfite motifs.
• Agrochemical Synthesis: Serves as a key building block for creating novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Employed in the research and production of chiral ligands for asymmetric catalysis.
• Polymer Chemistry: Acts as a monomer or modifying agent for synthesizing specialty polymers with specific sulfur-containing functionalities.
• Chemical Research: Utilized in academic and industrial R&D for method development and exploring new synthetic pathways.
• Material Science: Investigated for the preparation of advanced materials, including liquid crystals and conductive polymers.

Basic Information

Product Name	1,3,2-Dioxathiane 2-Oxide
CAS No.	4176-55-0
Molecular Formula	C3H6O3S
Molecular Weight	122.14 g/mol
Synonyms	1,3,2-Dioxathiane 2-oxide; Ethylene sulfite; 1,2-Ethanediol cyclic sulfite; Ethylene glycol sulfite; 2-Oxo-1,3,2-dioxathiane; Dioxathiane oxide; Cyclic ethylene sulfite; NSC 93745
EINECS	224-052-9

Quality Control

Our production of 1,3,2-Dioxathiane 2-Oxide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR. 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, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere such as nitrogen or argon for long-term storage. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.470
Density (20°C)	1.30 - 1.35 g/mL

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