Description

4,4-Dimethyl-9-Oxo-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 reactivity profile, making it a critical intermediate in advanced material synthesis and catalysis. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, fine chemical, and material science sectors.

Application

• As a key catalyst or co-catalyst in specialized polymerization reactions, including polyurethane and polycarbonate synthesis.
• An essential intermediate in the production of high-performance heat stabilizers for PVC and other halogenated polymers.
• Used in the synthesis of advanced organometallic complexes for research and development in material science.
• Employed as a precursor in the manufacture of specialty coatings and adhesives requiring specific thermal or chemical resistance.
• Potential use in cross-linking agents for silicone rubbers and other elastomers.
• Acts as a stabilizing agent in certain lubricant and grease formulations.

Basic Information

Product Name	4,4-Dimethyl-9-Oxo-8-Oxa-3,5-Dithia-4-Stannaundecyl Propionate
CAS No.	67905-21-9
Molecular Formula	C15H28O4S2Sn
Molecular Weight	455.26 g/mol
Synonyms	Propanoic acid, 2-[(2-[[3-(acetylthio)-2,2-dimethyl-1-oxopropoxy]methyl]-2-methyl-1,3-dithian-2-yl)thio]-, methyl ester, tin complex; 2-[(2-[[3-(Acetylthio)-2,2-dimethyl-1-oxopropoxy]methyl]-2-methyl-1,3-dithian-2-yl)thio]propanoic acid methyl ester tin complex; Methyl 2-((2-((3-(acetylthio)-2,2-dimethyl-1-oxopropoxy)methyl)-2-methyl-1,3-dithian-2-yl)thio)propanoate tin complex; Organotin stabilizer intermediate; Tin-based thioester.
EINECS	Contact for details

Quality Control

Our production of 4,4-Dimethyl-9-Oxo-8-Oxa-3,5-Dithia-4-Stannaundecyl Propionate adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm identity, purity, and absence of critical metallic impurities. Certificates of Analysis (COA) documenting key specifications are available upon request to support your quality assurance and regulatory compliance needs.

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). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to the organotin content, follow all local regulations for hazardous material storage.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	Contact for details
Specific Gravity (20°C)	1.20 - 1.30
Water Content (KF)	≤ 0.5%

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