Description

Tris(Dodecylthio)Methylstannane is a specialized organotin compound with a unique structure featuring long-chain alkylthio groups. This compound serves as a highly effective stabilizer and catalyst in polymer chemistry, offering superior performance in demanding thermal and processing environments. It is primarily utilized by manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance material longevity and processing efficiency.

Application

• PVC Stabilizer: Acts as a highly efficient heat stabilizer for polyvinyl chloride (PVC) formulations, preventing degradation during high-temperature processing and extending the service life of finished products.
• Polymer Catalyst: Functions as a catalyst or co-catalyst in various polymerization reactions, including polyurethane and silicone elastomer production.
• Rubber Additive: Used as an antioxidant and anti-aging agent in synthetic rubber compounds to improve thermal stability and resistance to environmental factors.
• Lubricant & Grease Additive: Serves as an extreme pressure (EP) additive and anti-wear agent in advanced lubricating greases and oils.
• Wood Preservative Intermediate: Employed as a key intermediate in the synthesis of organotin-based biocides for wood protection and marine antifouling paints.
• Crosslinking Agent: Facilitates crosslinking in specific silicone and other polymer systems, enhancing mechanical properties and chemical resistance.

Basic Information

Product Name	Tris(Dodecylthio)Methylstannane
CAS No.	52165-03-4
Molecular Formula	C37H78S3Sn
Molecular Weight	714.34 g/mol
Synonyms	Methyltris(dodecylthio)stannane; Tris(laurylthio)methylstannane; Methyltin tris(lauryl mercaptide); Methyltin tris(dodecyl mercaptan); Laurylthio Methyltin; (Dodecylthio)methyltin; Stabilizer T-290; Tin, methyltris(dodecylthio)-
EINECS	Contact for details

Quality Control

Our Tris(Dodecylthio)Methylstannane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 oxidizing agents and heat sources. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Tin (Sn) Content	16.0 - 17.0 %
Specific Gravity (20°C)	0.95 - 1.00
Refractive Index (n20D)	1.48 - 1.52

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