Description

Dodecyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaicosanoate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. This chemical matters as a sophisticated additive and intermediate, offering unique reactivity and stability characteristics derived from its tin-sulfur-oxygen framework. It is primarily needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking advanced performance modifiers and catalysts for demanding synthesis processes.

Application

• Polymer Stabilizer: Acts as a heat and light stabilizer in PVC and other halogenated polymers, preventing degradation during processing and extending product lifespan.
• Catalyst/Co-Catalyst: Serves as a catalyst or catalyst component in polyurethane (PU) formation and other condensation polymerization reactions.
• Lubricant Additive: Functions as an extreme pressure (EP) and anti-wear additive in advanced synthetic lubricants and greases.
• Chemical Intermediate: Used in the synthesis of other organometallic compounds and complex specialty chemicals for research and industrial applications.
• Wood Preservative: Employed as a component in formulations designed to protect wood from fungal decay and insect damage.
• Antifouling Agent: A key ingredient in marine antifouling paint formulations to prevent the growth of organisms on ship hulls.
• Silicone Cross-Linker: Facilitates cross-linking reactions in silicone rubber and resin production, enhancing material properties.

Basic Information

Item	Detail
Product Name	Dodecyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaicosanoate
CAS No.	73246-85-2
Molecular Formula	C₄₀H₈₀O₃S₂Sn
Molecular Weight	791.92 g/mol
Synonyms	Dioctyltin bis(isooctylthioglycolate); Dioctyltin bis(2-ethylhexyl thioglycolate); Dioctyltin bis(2-ethylhexylmercaptoacetate); DOTG; Dioctyltin di(2-ethylhexyl thioglycolate); Stabilizer T-250; Stanclere T-250; Thermolite 831; 2-Ethylhexyl thioglycolic acid dioctyltin salt
EINECS	Contact for details

Quality Control

Our production of Dodecyl 4,4-Dioctyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannaicosanoate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with industry specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and support your quality assurance protocols.

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 material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain stability. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 14.5%
Purity (HPLC)	Min. 95.0%
Specific Gravity (20°C)	1.05 - 1.10
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.