Description

Triisooctyl 3,3',3''-[(Octylstannylidyne)Tris(Thio)]Trispropionate is a specialized organotin compound, specifically a thioglycolate ester, designed for high-performance applications. This product matters as a highly effective and thermally stable heat stabilizer and lubricant in polymer processing, where it prevents degradation and enhances material properties. It is primarily needed by manufacturers in the PVC (polyvinyl chloride) industry, particularly for producing rigid and semi-rigid profiles, pipes, and siding that require excellent long-term stability.

Application

• Primary Heat Stabilizer for Rigid PVC: Used in the formulation of window profiles, pipes, fittings, and siding to prevent thermal degradation during processing and extend product lifespan.
• Lubricating Co-Stabilizer: Functions as an internal lubricant in PVC compounds, improving melt flow and processing characteristics while providing secondary stabilization.
• Stabilizer for CPVC (Chlorinated Polyvinyl Chloride): Offers enhanced thermal stability for high-temperature CPVC applications such as industrial piping.
• Additive for Other Halogen-Containing Polymers: Can be employed in specific formulations for other polymers requiring halogen scavenging and stabilization.
• Catalyst and Intermediate in Organic Synthesis: Serves as a reagent or catalyst precursor in specialized chemical synthesis due to its organotin-thio structure.

Basic Information

Product Name	Triisooctyl 3,3',3''-[(Octylstannylidyne)Tris(Thio)]Trispropionate
CAS No.	60585-20-8
Molecular Formula	C53H104O6S3Sn
Molecular Weight	~1060.3 g/mol
Synonyms	Octyltin tris(isooctyl thioglycolate); Octyltin tris(isooctylmercaptoacetate); Stabilizer OTM; Thermolite 890; (Octylstannylidyne)tris(thio) tris(2-ethylhexanoate) derivative; Thioglycolic acid isooctyl ester, octylstannylidyne derivative; Tin, (octylstannylidyne)tris(thio) tris(2-ethylhexanoate); PVC heat stabilizer OTM
EINECS	Contact for details

Quality Control

Our Triisooctyl 3,3',3''-[(Octylstannylidyne)Tris(Thio)]Trispropionate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay and impurity profiling, to ensure it meets the high-purity standards required for industrial polymer applications. A Certificate of Analysis (COA) detailing key specifications is provided with each shipment to guarantee consistency and performance.

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 heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in darkness to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 10.5%
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.480 - 1.500
Viscosity (25°C)	Contact for details

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