Description

Dibutyl[[3-[[Dibutyl[[2-[(Octyloxy)Carbonyl]Ethyl]Thio]Stannyl]Thio]Propionyl]Oxy](Octyloxy)Stannane is a specialized organotin compound, CAS NO 21986-78-7, valued for its role as a high-performance stabilizer and catalyst in polymer synthesis. Its molecular structure provides exceptional thermal stability and compatibility, making it a critical additive for enhancing material properties and process efficiency. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve product longevity and performance under demanding conditions.

Application

• PVC Stabilizer: Acts as a highly effective heat stabilizer in the production of rigid and flexible polyvinyl chloride (PVC) products, preventing degradation during processing and extending service life.
• Polyurethane Catalyst: Serves as a catalyst in polyurethane foam and elastomer formulations, promoting consistent reaction kinetics and optimal cell structure.
• Silicone Cross-Linking Agent: Used in silicone rubber and resin systems to facilitate room-temperature vulcanization (RTV) and enhance final material properties.
• Esterification & Transesterification Catalyst: Catalyzes esterification and transesterification reactions in the synthesis of plasticizers, lubricants, and biodiesel.
• Coatings Additive: Incorporated into specialty coatings and adhesives to improve thermal stability, adhesion, and weatherability.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations.

Basic Information

Item	Details
Product Name	Dibutyl[[3-[[Dibutyl[[2-[(Octyloxy)Carbonyl]Ethyl]Thio]Stannyl]Thio]Propionyl]Oxy](Octyloxy)Stannane
CAS No.	21986-78-7
Molecular Formula	C42H84O4S2Sn2
Molecular Weight	964.6 g/mol
Synonyms	Dibutyltin bis(isooctyl thioglycolate); Dibutyltin bis(isooctylmercaptoacetate); Dibutyltin bis(2-ethylhexyl thioglycolate); DBTL; Dibutyltin laurate (related compound); Thermolite 340; Stanclere T-2500; Organotin stabilizer 21986-78-7; Bis(2-ethylhexyloxycarbonylmethylthio)dibutylstannane
EINECS	Contact for details

Quality Control

Our production of Dibutyl[[3-[[Dibutyl[[2-[(Octyloxy)Carbonyl]Ethyl]Thio]Stannyl]Thio]Propionyl]Oxy](Octyloxy)Stannane adheres to stringent quality management protocols to ensure batch-to-batch consistency and compliance with global industry standards. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, tin content, and impurity profiles. We support our clients' regulatory needs with documentation for REACH compliance and other relevant chemical safety assessments.

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, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 24.0 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.480 - 1.500
Color (Gardner)	≤ 4
Water Content	≤ 0.3 %

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