Description

Isotridecyl 3-[[Dibutyl[(1-Oxoisooctadecyl)Oxy]Stannyl]Thio]Propionate is a specialized organotin compound primarily utilized as a high-performance stabilizer and catalyst in polymer chemistry. This product is engineered to provide exceptional thermal stability and process control, which is critical for maintaining the integrity and performance of advanced polymeric materials. It is an essential additive for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product durability and processing efficiency. CAS No. 84803-43-0.

Application

• Primary heat stabilizer for rigid and flexible PVC formulations, preventing degradation during high-temperature processing.
• Key component in catalyst systems for polyurethane (PU) and silicone elastomer production.
• Used as a cross-linking agent and curing catalyst in high-performance coatings and adhesives.
• Employed in the stabilization of engineering plastics to improve long-term thermal aging resistance.
• Functions as a lubricant and processing aid in complex polymer extrusion and molding operations.
• Applied in the manufacture of transparent and food-contact grade polymer articles where specific stabilization is required.

Basic Information

Product Name	Isotridecyl 3-[[Dibutyl[(1-Oxoisooctadecyl)Oxy]Stannyl]Thio]Propionate
CAS No.	84803-43-0
Molecular Formula	C48H96O3SSn
Molecular Weight	863.9 g/mol
Synonyms	Dibutyltin isotridecyl mercaptopropionate; Isotridecyl 3-(dibutylstannylthio)propionate stearate; Organotin stabilizer 84803-43-0; Tin-based PVC stabilizer; DBTL isotridecyl ester; Thioglycolic acid ester of dibutyltin; Dibutyltin bis(isotridecyl thioglycolate) derivative; Thermoplastic stabilizer CAS 84803-43-0
EINECS	Contact for details

Quality Control

Every batch of our organotin stabilizer is produced under strict quality management protocols to ensure consistency and performance. We adhere to relevant industry guidelines for polymer additives. Comprehensive testing, including assay, tin content analysis, and impurity profiling, is performed. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical 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). Keep away from strong alkalis and incompatible organic solvents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 13.5 %
Specific Gravity (20°C)	1.00 - 1.05
Refractive Index (20°C)	1.480 - 1.490
Viscosity (25°C)	≤ 500 mPa·s
Heavy Metals (as Pb)	≤ 10 ppm
Water Content	≤ 0.1 %

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