Description

2,2-Dibutyl-1,3,7,2-dioxathiastannecane-4,10-dione is a specialized organotin compound with a unique heterocyclic structure incorporating sulfur and oxygen. This chemical is valued for its role as a catalyst and stabilizer in high-performance polymer synthesis and material science applications. It is primarily utilized by R&D laboratories and industrial manufacturers in the plastics, coatings, and specialty chemical sectors seeking advanced additive solutions.

Application

• Polymer Catalyst: Acts as a catalyst or co-catalyst in the synthesis of polyesters, polycarbonates, and other condensation polymers.
• PVC Stabilizer: Functions as a heat stabilizer in polyvinyl chloride (PVC) formulations to prevent degradation during processing.
• Cross-linking Agent: Used in silicone rubber and other elastomer systems to promote cross-linking and enhance thermal properties.
• Material Science Research: Serves as a key intermediate or additive in the development of novel inorganic-organic hybrid materials.
• Antifouling Agent Precursor: Investigated for use in the synthesis of marine antifouling coatings, leveraging its organotin chemistry.
• Lubricant Additive: Employed as an extreme pressure (EP) additive or anti-wear agent in advanced synthetic lubricants.

Basic Information

Product Name	2,2-Dibutyl-1,3,7,2-dioxathiastannecane-4,10-dione
CAS No.	4981-24-2
Molecular Formula	C14H28O4SSn
Molecular Weight	403.12 g/mol
Synonyms	Dibutyltin dioxathiastannecane dione; 2,2-Dibutyl-1,3,7,2-dioxathiastannepane-4,10-dione; Stannane, 2,2-dibutyl-1,3,7,2-dioxathiastannecane-4,10-dione; Organotin cyclic sulfate ester; DBTDOS; Tin(IV) 2,2-dibutyl-1,3,7,2-dioxathiastannecane-4,10-dione
EINECS	Contact for details

Quality Control

Our 2,2-Dibutyl-1,3,7,2-dioxathiastannecane-4,10-dione is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Tin (Sn) Content	28.5 - 30.5 %
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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