Description

2,2-Dimethyl-1,3,2-oxathiastannolan-5-one is a specialized organotin compound featuring a unique heterocyclic structure that combines tin, sulfur, and oxygen. This molecular architecture makes it a valuable intermediate and catalyst precursor in advanced synthetic chemistry, particularly for applications requiring precise Lewis acid activity. It is primarily sought after by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors for developing novel compounds and materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring organotin-mediated coupling or cyclization reactions.
• Catalyst Precursor: Used in the preparation of specialized catalysts for polymerization reactions, including the production of polyurethanes and polyesters.
• Agrochemical Synthesis: Employed in the research and development of new fungicides and pesticides, leveraging its bioactivity as a structural component.
• Material Science Research: Acts as a monomer or additive in the development of advanced polymeric materials with specific thermal or mechanical properties.
• Organic Synthesis Reagent: Utilized in academic and industrial laboratories for stereoselective synthesis and the construction of complex heterocyclic frameworks.

Basic Information

Product Name	2,2-Dimethyl-1,3,2-oxathiastannolan-5-one
CAS No.	4117-92-4
Molecular Formula	C5H8O2SSn
Molecular Weight	242.87 g/mol
Synonyms	2,2-Dimethyl-1,3,2-oxathistannolan-5-one; 5H-1,3,2-Oxathiastannole, 2,2-dihydro-2,2-dimethyl-; Stannane, 2,2-dimethyl-1,3,2-oxathiastannolan-5-one; Organotin heterocycle 4117-92-4; Tin(IV) 2,2-dimethyl-1,3,2-oxathiastannolan-5-one; (2,2-Dimethyl-1,3,2-dioxastannolan-5-yl)thione?; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-1,3,2-oxathiastannolan-5-one is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for 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, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Tin (Sn) Content	48.0 - 49.5 %
Loss on Drying	≤ 1.0 %
Related Substances (HPLC)	Total impurities ≤ 3.0%

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