Description

Decyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaoctadecanoate is a specialized organotin compound with a complex structure designed for high-performance applications. This chemical matters for its unique ability to act as a highly effective stabilizer and catalyst in demanding polymer systems, offering superior thermal and light stability. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking advanced additive solutions to enhance product durability and processing characteristics.

Application

• Polymer Stabilizer: Acts as a highly effective heat and light stabilizer for PVC and other halogenated polymers, preventing degradation during processing and extending service life.
• Catalyst for Polyurethane Foams: Serves as a selective catalyst in the production of flexible and rigid polyurethane foams, promoting controlled reaction kinetics and optimal cell structure.
• Cross-linking Agent: Used in silicone rubber and other elastomer formulations to facilitate curing and improve mechanical properties like tensile strength and heat resistance.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in high-performance lubricants and greases for industrial machinery.
• Wood Preservative Synergist: Enhances the efficacy and weather resistance of biocidal treatments for wood and composite materials.
• Antifouling Agent Intermediate: Used in the synthesis of active ingredients for marine antifouling paints and coatings.
• Specialty Coating Formulations: Imparts improved adhesion, weather resistance, and chemical stability to high-performance industrial and protective coatings.

Basic Information

Product Name	Decyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaoctadecanoate
CAS No.	84030-47-7
Molecular Formula	C₄₄H₈₆O₃S₂Sn
Molecular Weight	838.0 g/mol (approx.)
Synonyms	Dioctyltin bis(isooctylthioglycolate); Dioctyltin bis(isooctylmercaptoacetate); Dioctyltin bis(2-ethylhexyl thioglycolate) derivative; Stabilizer T-250; Stanclere T-250; Thermolite 250; Advastab TM-250; Organotin stabilizer 84030-47-7
EINECS	Contact for details

Quality Control

Our production of Decyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaoctadecanoate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure consistency and compliance with industry specifications. Certificates of Analysis (COA) detailing all critical parameters are available upon request 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 room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 14.0 %
Specific Gravity (25°C)	1.05 - 1.10
Refractive Index (20°C)	1.490 - 1.510
Heavy Metals (as Pb)	Max. 10 ppm
Water Content (KF)	Max. 0.2 %

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