Description

Triisooctyl 3,3',3''-[(Methylstannylidyne)Tris(Thio)]Trispropionate is a specialized organotin compound, specifically a thioglycolate ester, known for its role as a high-performance stabilizer and catalyst. Its molecular structure provides exceptional thermal stability and compatibility, making it a critical additive in demanding polymer processing applications. This product is essential for manufacturers in the plastics and polymer industries seeking to enhance the durability and processing characteristics of their materials.

Application

• Primary Stabilizer for PVC: Acts as a highly effective heat stabilizer in the production of rigid and flexible polyvinyl chloride (PVC) products, preventing degradation during high-temperature processing.
• Catalyst for Polyurethane (PU) Foams: Used as a catalyst in the formulation of flexible and rigid PU foams, promoting efficient and controlled reaction kinetics.
• Additive for Silicone Rubbers: Serves as a cross-linking agent or catalyst in silicone rubber formulations, improving cure rates and final elastomer properties.
• Stabilizer for Other Polymers: Provides stabilization for other halogen-containing polymers against heat and light-induced degradation.
• Lubricant and Processing Aid: Functions as an internal lubricant in complex polymer blends, improving flow characteristics and mold release.

Basic Information

Product Name	Triisooctyl 3,3',3''-[(Methylstannylidyne)Tris(Thio)]Trispropionate
CAS No.	53040-42-9
Molecular Formula	C40H78O6S3Sn
Molecular Weight	846.4 g/mol
Synonyms	Methyltin tris(isooctyl thioglycolate); Methyltin tris(2-ethylhexyl thioglycolate); Methyltin TOTG; Methyltin tris(isooctylmercaptoacetate); Tin, methyltris[(2-ethyl-1-hexyl)oxycarbonylmethylthio]-; Stabilizer T-250; Thermolite 250; Advastab TM-692; (Methylstannylidyne)tris(thio)tris[acetic acid 2-ethylhexyl ester]
EINECS	Contact for details

Quality Control

Our production of Triisooctyl 3,3',3''-[(Methylstannylidyne)Tris(Thio)]Trispropionate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing key parameters such as tin content, assay, and impurity profiles are provided and available upon request to support your quality assurance and regulatory compliance 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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	Min. 13.8%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.480 - 1.510
Color (Gardner)	Max. 5

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