Description

2-Ethylhexyl 4-[[(Benzoylthio)Dibutylstannyl]Oxy]-4-Oxoisocrotonate is a specialized organotin compound that serves as a highly effective heat stabilizer and catalyst in polymer chemistry. Its primary value lies in its ability to prevent thermal degradation and enhance the processing stability of sensitive polymers, ensuring product longevity and performance. This chemical is essential for manufacturers in the plastics and PVC industries seeking to improve the heat resistance and durability of their formulations.

Application

• Primary Heat Stabilizer for PVC: Used in rigid and flexible PVC formulations to prevent dehydrochlorination and discoloration during high-temperature processing.
• Polymerization Catalyst: Acts as a catalyst in specific polycondensation and esterification reactions for producing polyesters and other engineering plastics.
• Lubricant and Processing Aid: Improves the flow properties and mold release characteristics of complex polymer compounds.
• Stabilizer for Other Halogenated Polymers: Provides thermal stabilization for polymers beyond PVC, such as chlorinated polyethylene (CPE).
• Additive in Specialty Coatings: Incorporated into coatings and adhesives to enhance their thermal stability and weatherability.

Basic Information

Product Name	2-Ethylhexyl 4-[[(Benzoylthio)Dibutylstannyl]Oxy]-4-Oxoisocrotonate
CAS No.	5762-18-5
Molecular Formula	C28H44O4SSn
Molecular Weight	595.39 g/mol
Synonyms	Dibutyltin 2-ethylhexyl thioglycolate benzoate; Dibutyltin benzoate 2-ethylhexyl thioglycolate; 2-Ethylhexyl (benzoylthio)acetate dibutylstannylene; Advastab TM-692; Stanclere T-292; Thermolite 292; Dibutyltin bis(2-ethylhexyl thioglycolate) benzoate adduct; Organotin stabilizer 292
EINECS	Contact for details

Quality Control

Our production of 2-Ethylhexyl 4-[[(Benzoylthio)Dibutylstannyl]Oxy]-4-Oxoisocrotonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against comprehensive specifications, including tin content, purity, and color. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert gas atmosphere such as nitrogen to preserve efficacy.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 19.5%
Purity (HPLC)	Min. 95.0%
Color (Gardner)	Max. 4
Density at 20°C	1.15 - 1.25 g/cm³
Refractive Index (n20D)	1.520 - 1.540

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