Description

Dodecyl 5,5-Dioctyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannadocosanoate is a specialized organotin compound valued for its unique chemical structure and performance as a stabilizer and catalyst. This compound is engineered to provide enhanced thermal stability and catalytic efficiency in demanding polymer and chemical synthesis processes. It is primarily utilized by manufacturers in the plastics, coatings, and specialty chemical industries seeking high-performance additives.

Application

• Polymer Stabilizer: Acts as a highly effective heat stabilizer for polyvinyl chloride (PVC) and other halogenated polymers, preventing degradation during processing and extending product life.
• Catalyst for Polyurethane (PU) Foams: Used as a catalyst in the production of flexible and rigid PU foams, promoting controlled reaction kinetics and improving foam structure.
• Silicone Cross-Linking Agent: Facilitates the cross-linking and curing of silicone rubbers and resins, enhancing their mechanical properties and thermal resistance.
• Lubricant and Grease Additive: Serves as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations for industrial applications.
• Esterification and Transesterification Catalyst: Employed as a catalyst in organic synthesis, particularly for esterification and transesterification reactions to produce fine chemicals and biodiesel.
• Antifouling Agent Precursor: Used in the formulation of marine antifouling coatings due to its biocidal properties derived from the organotin moiety.

Basic Information

Product Name	Dodecyl 5,5-Dioctyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannadocosanoate
CAS No.	60494-18-0
Molecular Formula	C₄₆H₉₂O₃S₂Sn
Molecular Weight	876.0 g/mol (approx.)
Synonyms	5,5-Dioctyl-9-oxo-10-oxa-4,6-dithia-5-stannadocosanoic Acid Dodecyl Ester; Dodecyl 5,5-Dioctyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannadocosanoate; Organotin Stabilizer 60494-18-0; Tin(IV) 2-ethylhexylthioglycolate dodecyl ester derivative; Dioctyltin bis(2-ethylhexylthioglycolate) dodecyl ester; Esterified Organotin Mercaptide; Thermostabilizer T-60494.
EINECS	Contact for details

Quality Control

Our Dodecyl 5,5-Dioctyl-9-Oxo-10-Oxa-4,6-Dithia-5-Stannadocosanoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with relevant industry specifications. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profiles, and physical properties 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 a controlled room temperature (15-25°C). This product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) after opening to maintain stability and prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 13.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (n20/D)	1.480 - 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.