Description

Diisooctyl 3,3'-[(Didodecylstannylene)Bis(Thio)]Dipropionate is a specialized organotin compound primarily utilized as a high-performance stabilizer and catalyst in polymer chemistry. Its core value lies in its ability to impart exceptional thermal and light stability to sensitive materials, preventing degradation and extending product lifespan. This compound is essential for manufacturers in the plastics, coatings, and specialty chemical industries who require reliable additives for demanding applications. Its unique structure offers superior performance compared to conventional stabilizers.

Application

• Primary heat stabilizer and light stabilizer for polyvinyl chloride (PVC) and other halogenated polymers.
• Key additive in the production of flexible PVC products such as cables, hoses, and flooring.
• Stabilizing agent for rigid PVC applications including profiles, pipes, and fittings.
• Catalyst and co-stabilizer in various polyurethane (PU) and silicone elastomer formulations.
• Used in the synthesis of specialty lubricant additives and corrosion inhibitors.
• Component in adhesive and sealant systems requiring enhanced weatherability.
• Stabilizer for engineering plastics exposed to high-temperature processing.

Basic Information

Product Name	Diisooctyl 3,3'-[(Didodecylstannylene)Bis(Thio)]Dipropionate
CAS No.	83846-45-1
Molecular Formula	C58H116O4S2Sn
Molecular Weight	~1044.3 g/mol
Synonyms	Bis(diisooctyl 3,3'-thiodipropionate)didodecylstannylene; Didodecyltin Bis(isooctyl Thioglycolate); Diisooctyl 3,3'-Thiodipropionate Didodecyltin Derivative; Organotin Stabilizer 83846-45-1; Dioctyltin Bis(iso-octylthioglycollate); DTBT; Didodecyltin Bis(isooctyl 3-Mercaptopropionate); Thermoplastic PVC Stabilizer
EINECS	Contact for details

Quality Control

Our Diisooctyl 3,3'-[(Didodecylstannylene)Bis(Thio)]Dipropionate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with industry specifications. Certificates of Analysis (COA) detailing key parameters such as tin content, assay, and impurity profiles 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). Keep away from strong alkalis and incompatible organic solvents. The material is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Identification (IR)	Conforms
Assay (Tin Content)	≥ 11.0 %
Color (Gardner)	≤ 3
Refractive Index (20°C)	1.480 - 1.490
Density (20°C)	1.00 - 1.05 g/cm³
Moisture (KF)	≤ 0.2 %

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