Description

(Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate is a specialized organotin compound with a unique sulfur-bridged structure. This chemical matters for its role as a versatile intermediate and catalyst in advanced material synthesis and polymer stabilization. It is primarily needed by manufacturers in the polymer additives, specialty chemical synthesis, and material science research sectors.

Application

• Polymer Stabilizer: Acts as a heat and light stabilizer in PVC and other halogenated polymers, preventing degradation during processing and extending product life.
• Catalyst/Co-catalyst: Used as a catalyst or co-catalyst in transesterification, polycondensation, and other organic synthesis reactions.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex organotin compounds with tailored properties.
• Lubricant Additive: Incorporated into high-performance lubricants and greases to provide anti-wear and extreme pressure properties.
• Wood Preservative Component: Used in formulations to protect wood against fungal decay and insect damage.
• Antifouling Agent Precursor: A precursor in the manufacture of marine antifouling paint additives.
• Material Science Research: Employed in R&D for developing novel metal-organic frameworks (MOFs) and functional materials.

Basic Information

Product Name	(Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate
CAS No.	57813-60-2
Molecular Formula	C22H42O4S2Sn
Molecular Weight	553.38 g/mol
Synonyms	Dioctanoic Acid (Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Ester; Bis(2-mercaptoethyl)tin Dimethyl Dioctanoate; Dimethyltin Bis(2-mercaptoethyl) Octanoate; 2,2'-[Dimethylstannylene)bis(thio)]bis-ethanediyl Dioctanoate; Organotin Stabilizer OTS-57813; Tin(IV) Dialkyl Mercaptoester; DMST-BTED; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our (Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Sn content)	≥ 21.0 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (n20D)	1.480 - 1.520

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