Description

(Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Bis[(9Z,12Z)-Octadeca-9,12-Dienoate] is a specialized organotin compound with a complex structure featuring a central dimethylstannylene unit linked via thioether bridges to linoleate ester groups. This compound matters as a high-performance intermediate and functional additive, offering unique reactivity and properties derived from its organotin and unsaturated fatty acid components. It is primarily needed by manufacturers in the polymer industry, specialty chemical synthesis, and advanced material research, where it serves as a catalyst precursor, stabilizer, or a building block for novel macromolecular structures.

Application

• Polymer Stabilizer: Acts as a heat and light stabilizer in PVC and other halogenated polymers, preventing degradation during processing and extending product lifespan.
• Catalyst Precursor: Serves as a key intermediate in the synthesis of specialized organotin catalysts used for transesterification, polycondensation, and urethane formation reactions.
• Specialty Additive: Functions as a multifunctional additive in lubricants and coatings, providing anti-wear properties and enhancing film formation.
• Chemical Synthesis Intermediate: Used in organic and organometallic synthesis to introduce tin-containing functional groups or linoleate moieties into target molecules.
• Crosslinking Agent: Employed in the formulation of specialty elastomers and sealants, where it can participate in curing and crosslinking reactions.
• Research & Development: Utilized in academic and industrial R&D for developing new organometallic complexes and studying their catalytic or material properties.

Basic Information

Product Name	(Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Bis[(9Z,12Z)-Octadeca-9,12-Dienoate]
CAS No.	67859-64-7
Molecular Formula	C42H74O4S2Sn
Molecular Weight	810.0 g/mol (approx.)
Synonyms	Bis(2-((9Z,12Z)-octadeca-9,12-dienoylthio)ethyl)dimethylstannane; Dimethyltin Bis(2-mercaptoethyl Linoleate); Tin, bis[2-[(1-oxo-9,12-octadecadienyl)thio]ethyl]dimethyl-; Organotin Linoleate Ester; Dimethylstannylene Dithiodiglycol Dilinoleate; Catalyst T-9 (related trade name); Organotin Thioether Ester; 67859-64-7
EINECS	Contact for details

Quality Control

Our production of (Dimethylstannylene)Bis(Thioethane-1,2-Diyl) Bis[(9Z,12Z)-Octadeca-9,12-Dienoate] adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key parameters such as assay, tin content, and impurity profiles are provided and available upon request. Our quality commitment ensures the material meets the precise specifications required for advanced industrial and research applications.

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 material is moisture-sensitive (hygroscopic) and should be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent oxidation. Keep away from strong acids, strong bases, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to amber viscous liquid
Identification (IR)	Conforms to reference spectrum
Assay (Tin Content)	≥ 14.5 % (by ICP-OES)
Purity (HPLC)	≥ 95.0 %
Acid Value	≤ 2.0 mg KOH/g
Water Content (KF)	≤ 0.5 %

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