Description

2-Ethylhexyl 12-Ethyl-5,5-Dimethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate is a specialized organotin compound, valued for its role as a high-performance stabilizer and catalyst in polymer chemistry. Its complex structure provides exceptional thermal and light stability, making it a critical additive for enhancing the durability and processing characteristics of various materials. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve product longevity and performance under demanding conditions.

Application

• Polyvinyl Chloride (PVC) Stabilizer: Acts as a highly effective heat stabilizer in rigid and flexible PVC formulations, preventing degradation during processing and extending the service life of the final product.
• Polyurethane Catalyst: Serves as a catalyst in the production of polyurethane foams and elastomers, promoting efficient reaction kinetics and contributing to consistent foam structure and physical properties.
• Silicone Rubber Cross-linking Agent: Used as a curing agent or cross-linker in silicone rubber systems, facilitating the formation of stable, high-performance elastomeric networks.
• Lubricant and Grease Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricating greases and oils, particularly for high-temperature applications.
• Specialty Coating Formulations: Incorporated into coatings and paints to enhance weatherability, adhesion, and chemical resistance.
• Polymer Modification Agent: Employed to modify the properties of other polymers, improving compatibility, thermal stability, or mechanical strength in polymer blends and composites.

Basic Information

Product Name	2-Ethylhexyl 12-Ethyl-5,5-Dimethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate
CAS No.	57057-50-8
Molecular Formula	C26H52O3S2Sn
Molecular Weight	595.57 g/mol
Synonyms	2-Ethylhexyl 12-ethyl-5,5-dimethyl-9-oxo-10-oxa-4,6-dithia-5-stannahexadecanoate; Dibutyltin bis(2-ethylhexyl thioglycolate) derivative; Organotin mercaptoester; Tin(IV) 2-ethylhexyl thioglycolate complex; PVC heat stabilizer 57057-50-8; Thermostabilizer for polymers; EINECS 260-524-1; Stannane, 5-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-5,5-dimethyl-12-ethyl-9-oxo-4,6-dithia-5-stannahexadecanoic acid, 2-ethylhexyl ester
EINECS	260-524-1

Quality Control

Every batch of 2-Ethylhexyl 12-Ethyl-5,5-Dimethyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannahexadecanoate is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for polymer additives and catalysts. Comprehensive testing, including assay, identification, and impurity profiling, is performed. A detailed Certificate of Analysis (COA) documenting purity, physical properties, and performance indicators is provided with each shipment to guarantee batch-to-batch consistency and reliability for your industrial processes.

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/59-77°F). Keep away from heat, open flames, and incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 19.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510
Heavy Metals (as Pb)	≤ 10 ppm

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