Description

Diisooctyl 2,2'-[(Didodecylstannylene)Bis(Thio)]Diacetate is a specialized organotin compound, specifically a dialkyltin carboxylate derivative, valued for its role as a high-performance stabilizer and catalyst in polymer chemistry. Its molecular structure provides excellent thermal and light stabilization properties, making it a critical additive for enhancing the durability and processing stability of various polymeric materials. This product is essential for manufacturers in the plastics, PVC, and specialty coatings industries seeking to improve product longevity and performance under demanding conditions.

Application

• Primary Stabilizer for PVC: Used as a highly effective heat stabilizer in the production of rigid and flexible polyvinyl chloride (PVC) products, including pipes, profiles, and films.
• Polymerization Catalyst: Acts as a catalyst in polycondensation and esterification reactions for producing polyesters and other engineering plastics.
• Lubricant and Process Aid: Functions as an internal lubricant and processing aid, improving the flow properties and surface finish of polymers during extrusion and molding.
• Cross-linking Agent: Employed as a cross-linking agent in silicone rubber and other elastomer systems to enhance mechanical properties.
• Antifouling Agent Precursor: Serves as a key intermediate or additive in the formulation of marine antifouling paints and coatings.
• Stabilizer for Other Polymers: Provides stabilization against thermal and UV degradation for other halogen-containing polymers and copolymers.

Basic Information

Product Name	Diisooctyl 2,2'-[(Didodecylstannylene)Bis(Thio)]Diacetate
CAS No.	84030-61-5
Molecular Formula	C52H104O4S2Sn
Molecular Weight	960.0 g/mol (approx.)
Synonyms	Bis(2-ethylhexyl) 2,2'-[(didodecylstannylene)bis(thio)]diacetate; Di(2-ethylhexyl) [[(dodecylthio)stannylene]dithio]diacetate; Diisooctyltin bis(isooctylthioglycolate); Dioctyltin bis(isooctylthioglycolate); DOTG; Organotin stabilizer 84030-61-5; Tin(IV) dialkyl derivative; Stabilizer OTS
EINECS	Contact for details

Quality Control

Our Diisooctyl 2,2'-[(Didodecylstannylene)Bis(Thio)]Diacetate is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Quality is verified through a comprehensive suite of analytical tests, including assay by titration, infrared spectroscopy for identification, and analysis of key impurities. A Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment 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). 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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 12.0 %
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.490 - 1.510
Heavy Metals (as Pb)	Max. 10 ppm
Water Content	Max. 0.1 %

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