Description

Di-n-Butylbis(Dodecylthio)Tin is an organotin compound widely utilized as a high-performance stabilizer and catalyst in polymer chemistry. Its primary commercial value lies in its exceptional ability to prevent thermal degradation and enhance the processing stability of various polymeric materials. This product is essential for manufacturers in the plastics, PVC, and specialty chemical industries seeking to improve product longevity and performance under demanding conditions.

Application

• PVC Stabilizer: Acts as a highly effective heat stabilizer for polyvinyl chloride (PVC) resins, preventing discoloration and decomposition during processing and extending the service life of finished products.
• Polymer Catalyst: Serves as a catalyst in polyurethane (PU) and silicone rubber production, facilitating cross-linking reactions and improving the final material's mechanical properties.
• Lubricant Additive: Used as an anti-wear and extreme pressure (EP) additive in industrial lubricants and greases, providing enhanced protection for metal surfaces.
• Wood Preservative: Employed as a fungicidal and anti-mold agent in wood treatment formulations to protect against biological degradation.
• Antifouling Agent: A key component in marine antifouling paints and coatings to inhibit the growth of barnacles, algae, and other organisms on ship hulls.
• Silicone Cross-linker: Functions as a cross-linking agent in the curing of room-temperature vulcanizing (RTV) silicone sealants and adhesives.

Basic Information

Product Name	Di-n-Butylbis(Dodecylthio)Tin
CAS No.	1185-81-5
Molecular Formula	C32H68S2Sn
Molecular Weight	635.73 g/mol
Synonyms	Dibutyltin bis(dodecylthiolate); Dibutyltin bis(lauryl mercaptide); Dibutyltin dilauryl mercaptide; Dibutyltin bis(dodecyl mercaptide); DBTL; Dibutyltin lauryl mercaptide; Tin, dibutylbis(dodecylthio)-; Stabilizer T-298
EINECS	214-672-4

Quality Control

Our Di-n-Butylbis(Dodecylthio)Tin is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analysis, including assay, identification, and impurity profiling, to meet the stringent requirements of industrial applications. Certificates of Analysis (COA) documenting purity and key specifications are provided with every shipment and are available upon request.

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 sources, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (Sn content)	≥ 18.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.00 - 1.05
Refractive Index (n20D)	1.490 - 1.510

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