Description

2-Ethylhexyl 5,5-Dibutyl-12-Ethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. Its value lies in its unique combination of tin and sulfur, which provides exceptional properties as a stabilizer and catalyst in demanding polymer systems. This product is essential for manufacturers in the plastics and polymer industries seeking to enhance the durability and processing characteristics of their materials under challenging conditions.

Application

• Polymer Stabilizer: Acts as a highly effective heat and light stabilizer for PVC and other halogenated polymers, preventing degradation during processing and extending product lifespan.
• Catalyst Intermediate: Serves as a key precursor or catalyst in specialized organic synthesis and polycondensation reactions, particularly for high-performance resins.
• Lubricant Additive: Used as an extreme pressure (EP) additive and anti-wear agent in advanced synthetic lubricants and greases for industrial machinery.
• Coating Formulations: Incorporated into specialty coatings and paints to improve weatherability, chemical resistance, and adhesion properties.
• Silicone Modification: Employed as a cross-linking agent or modifier in silicone rubber and sealant formulations to enhance thermal stability.
• Antifouling Agent: Used in marine coatings formulations (subject to regional regulations) to inhibit the growth of organisms on submerged surfaces.

Basic Information

Product Name	2-Ethylhexyl 5,5-Dibutyl-12-Ethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate
CAS No.	53202-61-2
Molecular Formula	C30H60O3S2Sn
Molecular Weight	635.63 g/mol
Synonyms	Dibutyltin bis(2-ethylhexyl thioglycolate); Dibutyltin bis(2-ethylhexylmercaptoacetate); 2-Ethylhexyl thioglycolic acid ester with dibutyltin oxide; Dibutyltin di(2-ethylhexyl thioglycolate); DBTL-E; Stabilizer T-250; Stanclere T-250; Thermolite 250
EINECS	Contact for details

Quality Control

Our production of 2-Ethylhexyl 5,5-Dibutyl-12-Ethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against rigorous in-house specifications using advanced techniques like HPLC, GC, and ICP-MS to verify purity and control critical impurities such as other organotin species. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and specific tests is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C/59-77°F). Keep away from heat, sparks, and open flame. Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term storage. Keep the container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	18.5 - 19.5 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510
Water Content (KF)	≤ 0.5 %

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