Description

Tris(3,5,5-Trimethylhexanoic Acid)(Methylstannylidyne)Tris(Thio-2,1-Ethanediyl) Ester is a specialized organotin compound with a complex molecular architecture, designed for high-performance applications. This product matters as a sophisticated chemical intermediate and additive, offering unique reactivity and stability derived from its tin-sulfur and tin-oxygen bonds. It is primarily needed by manufacturers in the polymer industry, particularly for PVC stabilization, and by research chemists developing novel catalysts and advanced material coatings.

Application

• PVC Heat Stabilizer: Acts as a highly effective primary or secondary stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations, preventing thermal degradation during processing.
• Polymer Additive: Serves as a multifunctional additive to enhance the light stability and long-term performance of various polymeric materials.
• Catalyst Precursor: Used in organic synthesis and material science as a precursor for tin-based catalysts, facilitating specific condensation and polymerization reactions.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) and anti-wear additive in advanced synthetic lubricants and industrial greases.
• Surface Modifier: Employed to modify the surface properties of inorganic fillers (e.g., glass, minerals) to improve their compatibility and dispersion in polymer matrices.
• Crosslinking Agent: Utilized in the curing and crosslinking of specialty silicone and other elastomer systems to achieve specific mechanical properties.
• Research & Development: A key compound for academic and industrial R&D in organometallic chemistry and the development of new functional materials.

Basic Information

Item	Details
Product Name	Tris(3,5,5-Trimethylhexanoic Acid)(Methylstannylidyne)Tris(Thio-2,1-Ethanediyl) Ester
CAS No.	67874-45-7
Molecular Formula	C40H76O6S3Sn
Molecular Weight	852.34 g/mol
Synonyms	Methyltin tris(isooctylthioglycolate); Methyltin tris(2-ethylhexyl thioglycolate) ester; Methyltin tris(iso-octylthioacetate); Tin, methyltris[(2-ethylhexylthio)acetato-O,S]-; (Methylstannylidyne)tris(thio-2,1-ethanediyl) tris(3,5,5-trimethylhexanoate); Organotin stabilizer 67874-45-7; Thermolite 310; Advastab TM-694 (example trade names)
EINECS	Contact for details

Quality Control

Our production of Tris(3,5,5-Trimethylhexanoic Acid)(Methylstannylidyne)Tris(Thio-2,1-Ethanediyl) Ester adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including assay by titration, identification via FT-IR, and quantification of key impurities, to ensure consistent performance and purity for industrial applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and compliance with your quality requirements.

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). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) after opening to maintain stability and prevent degradation. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to reference spectrum
Assay (Tin content)	13.8 - 14.2 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (n20D)	1.500 - 1.510
Color (Gardner)	≤ 5
Water Content (KF)	≤ 0.2 %

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