Description

Triisooctyl 2,2',2''-[(Octylstannylidyne)Tris(Thio)]Triacetate is a specialized organotin compound, specifically a triester of thioglycolic acid, known for its role as a stabilizer and catalyst. This product matters for its ability to provide excellent thermal and light stability in polymer systems, preventing degradation and extending material lifespan. It is primarily needed by manufacturers in the plastics, PVC, and specialty polymer industries seeking to enhance the performance and durability of their formulations.

Application

• Primary Stabilizer for PVC: Used to prevent thermal degradation and discoloration during the processing of rigid and flexible PVC products.
• Polymer Additive: Enhances the long-term stability of various polymers against heat and ultraviolet (UV) light exposure.
• Catalyst Intermediate: Serves as a precursor or catalyst in specific organic synthesis and transesterification reactions.
• Lubricant and Grease Additive: Employed as a performance additive in specialty lubricants to improve extreme pressure properties and oxidation resistance.
• Silicone Cross-linking Agent: Used in the curing systems of certain silicone rubber formulations.

Basic Information

Product Name	Triisooctyl 2,2',2''-[(Octylstannylidyne)Tris(Thio)]Triacetate
CAS No.	26401-86-5
Molecular Formula	C38H74O6S3Sn
Molecular Weight	826.4 g/mol
Synonyms	Octyltin Tris(Isooctyl Thioglycolate); Triisooctyl (Octylstannylidyne)Tris(Thio)Triacetate; Stannane, Octyltris[(2-isooctyloxy-2-oxoethyl)thio]-; Tin, Octyl-, Tris(Isocetyl Thioglycolate); Thioglycolic Acid Isooctyl Ester, Octyltin Derivative; PVC Heat Stabilizer 26401-86-5; Organotin Stabilizer OTTT; Tris(2-isooctyloxy-2-oxoethyl)thio]octylstannane
EINECS	Contact for details

Quality Control

Our Triisooctyl 2,2',2''-[(Octylstannylidyne)Tris(Thio)]Triacetate is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) documenting purity, tin content, and other critical parameters is available upon request to support your quality assurance protocols.

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 easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 14.0 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.480 - 1.510

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