Description

2-[(Trimethylstannyl)Thio]Ethyl Stearate is a specialized organotin compound that serves as a highly effective stabilizer and catalyst in advanced polymer formulations. Its unique structure combines a thermally stable stearate moiety with a reactive organotin sulfide group, offering superior performance in demanding processing environments. This product is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance product durability and processing efficiency.

Application

• PVC Stabilizer: Acts as a highly efficient heat and light stabilizer for rigid and flexible polyvinyl chloride (PVC) products, including pipes, profiles, and cables.
• Polymer Catalyst: Functions as a catalyst or co-catalyst in polyurethane (PU) and silicone rubber curing and cross-linking reactions.
• Lubricant & Processing Aid: Serves as an internal lubricant and mold release agent in high-temperature polymer processing, improving flow and surface finish.
• Antifouling Agent Intermediate: Used in the synthesis of advanced organotin-based antifouling coatings for marine applications.
• Specialty Additive: Employed as a performance additive in adhesives, sealants, and elastomers to modify rheological properties and enhance stability.
• Research & Development: A key reagent in organometallic chemistry research for the development of new catalysts and functional materials.

Basic Information

Product Name	2-[(Trimethylstannyl)Thio]Ethyl Stearate
CAS No.	84145-12-0
Molecular Formula	C23H48O2SSn
Molecular Weight	507.37 g/mol
Synonyms	Ethyl 2-[(Trimethylstannyl)thio]stearate; Stearic acid, 2-[(trimethylstannyl)thio]ethyl ester; 2-[(Trimethylstannyl)thio]ethyl octadecanoate; Tin, [[(2-stearoyloxy)ethyl]thio]trimethyl-; Organotin stabilizer 84145-12-0; Trimethyltin sulfide ethyl stearate; (2-Stearoyloxyethyl)trimethylstannyl sulfide
EINECS	Contact for details

Quality Control

Our production of 2-[(Trimethylstannyl)Thio]Ethyl Stearate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting purity, tin content, and other critical parameters are provided with each 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 heat, open flames, and incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 95.0%
Purity (HPLC)	≥ 98.0%
Specific Gravity	Contact for details
Heavy Metals	< 10 ppm

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