Description

Triisooctyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Triacetate is a specialized organotin compound, specifically a thioglycolate ester, that serves as a highly effective stabilizer and catalyst in polymer chemistry. This product matters for its ability to provide superior heat and light stability to PVC and other halogenated polymers, preventing degradation and extending material lifespan. It is primarily needed by manufacturers in the plastics, coatings, and adhesives industries seeking to enhance the performance and durability of their formulations.

Application

• Primary Heat Stabilizer for PVC: Used in rigid and flexible PVC formulations, including pipes, profiles, and films, to prevent thermal degradation during processing and end-use.
• Light Stabilizer: Imparts resistance to UV radiation, making it suitable for outdoor applications like siding, window frames, and automotive components.
• Catalyst and Crosslinking Agent: Functions as a catalyst in polyurethane (PU) and silicone elastomer production and as a crosslinker for room-temperature vulcanizing (RTV) silicones.
• Lubricant and Processing Aid: Acts as an internal lubricant in polymer processing, improving flow characteristics and mold release.
• Stabilizer for Other Halogenated Polymers: Applied in the stabilization of chlorinated polyethylene (CPE) and other halogen-containing resins.
• Intermediate for Chemical Synthesis: Serves as a key intermediate in the synthesis of other organotin compounds and specialty chemicals.

Basic Information

Product Name	Triisooctyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Triacetate
CAS No.	25852-70-4
Molecular Formula	C38H72O6S3Sn
Molecular Weight	816.4 g/mol
Synonyms	Butyltin Tris(isooctyl thioglycolate); Butyltin Tris(2-ethylhexyl thioglycolate); Isooctyl Thioglycolate Butyl Ester Tin; Tin Stabilizer 25852-70-4; PVC Heat Stabilizer; BTOTT; 2-Ethylhexyl Thioglycolate Butyltin Ester; Tris(2-ethylhexyl 3-mercaptopropionate)butyltin
EINECS	Contact for details

Quality Control

Our production of Triisooctyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Triacetate adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. The product is manufactured in compliance with ISO 9001 standards, and each lot is supported by a comprehensive Certificate of Analysis (COA). Our rigorous quality testing includes verification of tin content, assay purity, and critical physical properties to meet the exacting requirements of the polymer industry.

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 away from heat sources, open flames, and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	Min. 14.5%
Purity (HPLC)	Min. 95.0%
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.480 - 1.510
Water Content (KF)	Max. 0.5%

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