Description

Di-n-Butyltin Sulfide is a specialized organotin compound with the CAS number 4253-22-9, serving as a critical intermediate and catalyst in advanced chemical synthesis. Its value lies in its ability to facilitate specific sulfur-transfer reactions and act as a precursor for other high-performance organotin stabilizers and catalysts. This product is essential for manufacturers and R&D laboratories in the polymer, lubricant additive, and fine chemical sectors seeking reliable and consistent performance.

Application

• Primary precursor in the synthesis of organotin heat stabilizers for PVC and other halogenated polymers.
• Catalyst or catalyst component in polyurethane (PU) foam formation and esterification reactions.
• Intermediate for manufacturing specialized lubricant and fuel oil additives.
• Key reagent in organic synthesis for introducing sulfur-containing functional groups.
• Used in R&D for developing novel organometallic compounds and materials science applications.
• Potential use as a biocide or antifouling agent intermediate in controlled formulations.

Basic Information

Product Name	Di-n-Butyltin Sulfide
CAS No.	4253-22-9
Molecular Formula	C8H18SSn
Molecular Weight	248.99 g/mol
Synonyms	Dibutyltin Sulfide; Bis(n-butyltin) Sulfide; Di-n-butylstannylene Sulfide; Stannane, dibutylthioxo-; DBTS; NSC 1571; Tin, dibutyl-, sulfide; Dibutylstannanethione
EINECS	224-214-0

Quality Control

Our Di-n-Butyltin Sulfide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

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 strong oxidizing agents, strong acids, and moisture. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to pale yellow powder or crystals
Identification (IR)	Conforms to structure
Assay (Sn content)	≥ 47.0 %
Purity (HPLC/GC)	≥ 98.0 %
Melting Point	Contact for details
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm

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