Description

Tetraisooctyl 2,2',2'',2'''-[Thiobis[(Butylstannylidyne)Bis(Thio)]]Tetraacetate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. This product matters as a highly effective stabilizer and catalyst, offering superior thermal and light stability in demanding polymer systems. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance the durability and processing characteristics of their materials.

Application

• PVC Stabilizer: Acts as a highly efficient heat stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations, preventing degradation during processing and extending product lifespan.
• Polymer Catalyst: Serves as a catalyst in polyurethane (PU) and silicone rubber production, facilitating controlled cross-linking and curing reactions.
• Lubricant Additive: Used as an extreme pressure (EP) additive and anti-wear agent in advanced synthetic lubricants and greases.
• Wood Preservative: Functions as a key biocidal component in preservative treatments for timber and wood composites.
• Silicone Cross-Linker: Employed as a cross-linking agent in room-temperature vulcanizing (RTV) silicone sealants and adhesives.
• Antifouling Agent: Incorporated into marine paints and coatings as an active ingredient to prevent the growth of barnacles and algae on ship hulls.

Basic Information

Product Name	Tetraisooctyl 2,2',2'',2'''-[Thiobis[(Butylstannylidyne)Bis(Thio)]]Tetraacetate
CAS No.	34871-84-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis(butyltin) tris(isooctyl thioglycolate); Dibutyltin bis(isooctyl thioglycolate) sulfide; Thiobis(dibutyltin diisooctylthioglycolate); Organotin stabilizer 34871-84-6; Tin, bis[(carboxymethyl)thio]dibutyl-, sulfide, diisooctyl ester; Dibutyltin sulfide bis(isooctyl mercaptoacetate); Stabilizer T-250; Advastab TM-250
EINECS	Contact for details

Quality Control

Our Tetraisooctyl 2,2',2'',2'''-[Thiobis[(Butylstannylidyne)Bis(Thio)]]Tetraacetate undergoes rigorous quality testing to ensure compliance with industry standards and precise customer specifications. Each batch is analyzed to confirm identity, purity, and performance characteristics. Certificates of Analysis (COA) documenting key 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, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) to maintain stability and prevent degradation. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 18.0 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510
Color (Gardner)	≤ 5

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