Description

2-Ethylhexyl 10-Ethyl-4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannatetradecanoate CAS NO 15571-58-1 is a specialized organotin compound, valued for its role as a high-performance stabilizer and catalyst in advanced polymer systems. Its complex molecular structure provides exceptional thermal stability and compatibility, making it a critical additive for enhancing material longevity and performance under demanding conditions. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve the durability and processing characteristics of their formulations.

Application

• PVC Stabilizer: Acts as a highly effective heat stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations, preventing degradation during processing and extending product service life.
• Polymer Catalyst: Serves as a catalyst or co-catalyst in polyurethane (PU) and silicone polymerization reactions, facilitating controlled curing and cross-linking.
• Lubricant Additive: Used as an anti-wear and extreme pressure (EP) additive in advanced synthetic lubricants and greases for industrial machinery.
• Coating Formulations: Incorporated into high-performance industrial and marine coatings to improve weather resistance, adhesion, and film integrity.
• Adhesive & Sealant Systems: Enhances the thermal stability and mechanical properties of specialty adhesives, sealants, and encapsulants.
• Specialty Elastomers: Functions as a stabilizer and processing aid in the manufacture of synthetic rubbers and thermoplastic elastomers (TPE).

Basic Information

Item	Detail
Product Name	2-Ethylhexyl 10-Ethyl-4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannatetradecanoate
CAS No.	15571-58-1
Molecular Formula	C₄₀H₈₀O₃S₂Sn
Molecular Weight	791.94 g/mol
Synonyms	Dioctyltin bis(2-ethylhexyl thioglycolate); Dioctyltin bis(2-ethylhexylmercaptoacetate); DOTG; Dioctyltin bis(isooctyl thioglycolate); Thermolite 831; Stanclere T-2500; 2-Ethylhexyl thioglycolate dioctyltin; Tin stabilizer 831; Dioctyltin di(2-ethylhexyl thioglycolate)
EINECS	Contact for details

Quality Control

Our production of 2-Ethylhexyl 10-Ethyl-4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannatetradecanoate adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing, including assay, tin content determination, and impurity profiling, to ensure consistent purity and performance that meets industry specifications. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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 / 59-77°F). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizing agents. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	Min. 15.0 %
Purity (HPLC)	Min. 95.0 %
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.490 - 1.510
Water Content (KF)	Max. 0.5 %

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