Description

(9Z,12Z,15Z)-1,3-Bis(Octadeca-9,12,15-Trienoyloxy)-1,1,3,3-Tetraoctyldistannoxane is a specialized organotin compound featuring a distannoxane core functionalized with linolenic acid-derived groups. This unique structure makes it a valuable catalyst and intermediate in advanced polymer synthesis and organic transformations, particularly where controlled reactivity and thermal stability are required. It is primarily utilized by R&D chemists and process engineers in the polymer, specialty chemical, and material science industries for developing high-performance coatings, adhesives, and functional materials.

Application

• Polymerization Catalyst: Acts as a highly effective catalyst for polycondensation reactions, such as in the production of polyesters and polycarbonates.
• Cross-linking Agent: Used in the formulation of heat-curable silicone resins and high-temperature stable coatings.
• PVC Stabilizer Intermediate: Serves as a key precursor in the synthesis of advanced organotin-based heat stabilizers for rigid PVC applications.
• Transesterification Catalyst: Facilitates ester exchange reactions in biodiesel production and the synthesis of specialty esters.
• Material Science R&D: Employed in research for developing novel organometallic frameworks and hybrid inorganic-organic materials.
• Adhesive & Sealant Formulations: Imparts enhanced curing properties and thermal resistance in high-performance industrial adhesives.

Basic Information

Product Name	(9Z,12Z,15Z)-1,3-Bis(Octadeca-9,12,15-Trienoyloxy)-1,1,3,3-Tetraoctyldistannoxane
CAS No.	85938-44-9
Molecular Formula	C74H128O5Sn2
Molecular Weight	1344.5 g/mol (approx.)
Synonyms	Bis(linolenoyloxy)tetraoctyldistannoxane; Tetraoctylbis(linolenoyloxy)distannoxane; Distannoxane, 1,1,3,3-tetraoctyl-1,3-bis[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyloxy]-; Organotin catalyst 85938-44-9; Tetraoctyltin linolenate dimer; Linolenic acid organotin derivative; Tin-based esterification catalyst
EINECS	Contact for details

Quality Control

Our production of (9Z,12Z,15Z)-1,3-Bis(Octadeca-9,12,15-Trienoyloxy)-1,1,3,3-Tetraoctyldistannoxane adheres to a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for assay and impurity profiling and NMR for structural confirmation, to ensure consistency and high purity suitable for catalytic and synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation and moisture uptake. Isolate from strong oxidizing agents and acids.

Specification

Item	Specification
Appearance	Pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	16.5 - 18.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Peroxide Value	≤ 5.0 meq/kg

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