Description

4-Butyl-9-Oxo-4-[[2-(Propionyloxy)Ethyl]Thio]-8-Oxa-3,5-Dithia-4-Stannaundecyl Propionate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. This chemical is valued for its unique properties as a stabilizer and catalyst in advanced material synthesis. It is primarily sought by manufacturers in the polymer and specialty chemical industries for developing heat-stable materials and facilitating specific organic transformations.

Application

• As a heat stabilizer and light stabilizer in the production of polyvinyl chloride (PVC) and other halogenated polymers.
• As a key catalyst or co-catalyst in organic synthesis reactions, including esterification and transesterification processes.
• In the formulation of specialty lubricant additives to enhance performance under extreme conditions.
• As a functional additive in the development of high-performance coatings and adhesives requiring improved weatherability.
• For research and development purposes in advanced material science, exploring new polymer composites.
• Potential use as a biocide or antifouling agent intermediate in controlled industrial applications, subject to regional regulations.

Basic Information

Product Name	4-Butyl-9-Oxo-4-[[2-(Propionyloxy)Ethyl]Thio]-8-Oxa-3,5-Dithia-4-Stannaundecyl Propionate
CAS No.	67905-22-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Butyl-9-oxo-4-[[2-(propionyloxy)ethyl]thio]-8-oxa-3,5-dithia-4-stannaundecyl propionate; Organotin stabilizer 67905-22-0; Tin-based PVC stabilizer; 4-Butyl-9-oxo-4-((2-(propionyloxy)ethyl)thio)-8-oxa-3,5-dithia-4-stannaundecyl propionate; Propanoic acid, 2-[(2-[(2-ethylhexyl)oxy]-2-oxoethyl)thio]-, 2-ethylhexyl ester, tin complex; Stabilizer T-250 (Trade name example); Dioctyltin mercaptoacetate derivative; Complex organotin carboxylate
EINECS	Contact for details

Quality Control

Our production of 4-Butyl-9-Oxo-4-[[2-(Propionyloxy)Ethyl]Thio]-8-Oxa-3,5-Dithia-4-Stannaundecyl Propionate adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing key specifications such as assay, tin content, and impurity profiles are available upon request 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 room temperature (15-25°C/59-77°F). Keep away from heat, sparks, and open flame. Ensure the container is kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 95.0%
Specific Gravity (20°C)	Contact for details
Refractive Index (20°C)	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Water Content (KF)	< 0.5%

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