Description

Bis(Tri-n-Butyltin)Sulfide is an organotin compound of significant industrial importance, primarily valued for its role as a highly effective catalyst and stabilizer. Its chemical structure provides unique reactivity, making it a critical component in specialized synthesis and material protection. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical sectors seeking reliable performance in demanding processes.

Application

• Polymer Industry Catalyst: Used as a catalyst in polyurethane (PU) foam production and for esterification/transesterification reactions.
• PVC Stabilizer: Acts as a heat stabilizer in polyvinyl chloride (PVC) formulations to prevent degradation during processing.
• Agrochemical Intermediate: Serves as a key precursor in the synthesis of certain fungicides and biocides.
• Wood Preservative Component: Employed in formulations designed to protect wood from fungal decay and insect damage.
• Antifouling Agent: Used in marine paints and coatings to prevent the growth of organisms on ship hulls and underwater structures.
• Silicone Cross-Linking Agent: Facilitates the curing and cross-linking of silicone rubbers and resins.
• Research & Development: Utilized in organic synthesis and material science research for its specific catalytic properties.

Basic Information

Product Name	Bis(Tri-n-Butyltin)Sulfide
CAS No.	4808-30-4
Molecular Formula	C24H54SSn2
Molecular Weight	596.1 g/mol
Synonyms	Hexabutyldistannthiane; TBTS; Bis(tributyltin) Sulfide; Distannthiane, hexabutyl-; Tributyltin Sulfide; Stannane, 1,1',1''-[(sulfanediyl)tris(methylene)]tris[1,1-dibutyl-; Hexabutylditin Sulfide; NSC 89287
EINECS	225-363-5

Quality Control

Our Bis(Tri-n-Butyltin)Sulfide is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications and consistent performance for industrial applications. A comprehensive Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents. Due to its sensitivity, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Tin (Sn) Content	38.0 - 40.0 %
Specific Gravity (20°C)	1.15 - 1.25
Water Content (KF)	≤ 0.5%

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