Description

Triisooctyl 2,2',2''-[(1,1,3-Tributyldistannathian-1-Yl-3-Ylidene)Tris(Thio)]Triacetate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. This chemical matters for its role as a potent stabilizer and catalyst, offering enhanced thermal and light stability in demanding polymer systems. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical synthesis industries seeking to improve product longevity and performance under harsh conditions.

Application

• Polymer Stabilizer: Acts as a highly effective heat and light stabilizer for PVC and other halogenated polymers, preventing degradation during processing and extending service life.
• Catalyst Intermediate: Serves as a key precursor or catalyst in organic synthesis reactions, particularly for esterification and transesterification processes.
• Specialty Additive for Coatings: Incorporated into high-performance coating formulations to enhance weatherability, gloss retention, and chemical resistance.
• Lubricant and Grease Additive: Used as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations.
• Wood Preservative Synergist: Employed in combination with other biocides to improve the efficacy and durability of wood preservative treatments.
• Silicone Cross-Linking Agent: Facilitates cross-linking in silicone rubber and resin systems, improving their mechanical and thermal properties.

Basic Information

Item	Details
Product Name	Triisooctyl 2,2',2''-[(1,1,3-Tributyldistannathian-1-Yl-3-Ylidene)Tris(Thio)]Triacetate
CAS No.	33703-04-7
Molecular Formula	C44H86O6S3Sn2
Molecular Weight	1005.0 g/mol (approx.)
Synonyms	Bis(tributyltin) tris(isooctylthioglycolate); Tributyltin tris(isooctylmercaptoacetate); Tin stabilizer 33703-04-7; 2,2',2''-[(1,1,3-Tributyldistannathian-1-yl-3-ylidene)tris(thio)]triacetic acid triisooctyl ester; Organotin stabilizer; Tris(isooctyl 2-sulfanylacetato)tributyldistannthiane; (Tributylstannylthio)triacetic acid triisooctyl ester
EINECS	Contact for details

Quality Control

Our Triisooctyl 2,2',2''-[(1,1,3-Tributyldistannathian-1-Yl-3-Ylidene)Tris(Thio)]Triacetate is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with relevant industry standards. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in darkness. Isolate from strong oxidizing agents and strong acids.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	23.5 - 24.5 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510
Water Content (KF)	≤ 0.5%

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