Description

Hexabutyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Trisuccinate is a specialized organotin compound designed for high-performance applications requiring thermal stabilization and catalytic activity. This product matters for its ability to enhance material properties and process efficiency in demanding chemical environments. It is primarily needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking reliable, high-purity additives.

Application

• Polymer Stabilizer: Acts as a highly effective heat stabilizer and antioxidant in PVC and other halogenated polymers to prevent degradation during processing and extend service life.
• Catalyst & Catalyst Precursor: Serves as a catalyst or catalyst ligand in various organic synthesis reactions, including esterification and transesterification processes.
• Lubricant & Grease Additive: Imparts extreme pressure (EP) and anti-wear properties to advanced lubricating oils and greases for industrial machinery.
• Crosslinking Agent: Used in the curing and crosslinking of silicone resins and other elastomers to improve thermal and mechanical stability.
• Wood Preservative Component: Employed in formulations to protect wood against fungal decay and insect damage.
• Antifouling Agent: A key bioactive component in marine antifouling paint formulations to inhibit the growth of organisms on ship hulls.

Basic Information

Product Name	Hexabutyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Trisuccinate
CAS No.	65291-39-6
Molecular Formula	C39H68O12S3Sn
Molecular Weight	912.3 g/mol
Synonyms	Hexabutyl 2,2',2''-[(Butylstannylidyne)tris(thio)]trisuccinate; Butyltin tris(thiobutanedioate) hexabutyl ester; Tributyltin tris(thiobutanedioate) hexabutyl ester; Organotin trisuccinate derivative; Tin-based thermal stabilizer; CAS 65291-39-6; Antifouling agent 65291-39-6
EINECS	Contact for details

Quality Control

Our production of Hexabutyl 2,2',2''-[(Butylstannylidyne)Tris(Thio)]Trisuccinate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and heavy metal content (specifically tin and related impurities) are provided with each 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 away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	12.5 - 13.5 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (20°C)	1.480 - 1.520
Heavy Metals (as Pb)	≤ 20 ppm
Water Content (KF)	≤ 0.5%

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