Description

Bis(3-Methoybutyl)-3,3'-[(Dibutylstannylene)Dithio]Dipropionate is a specialized organotin compound, specifically a dialkyltin dithioglycolate derivative, valued for its role as a high-performance stabilizer and catalyst. Its primary commercial value lies in its ability to provide exceptional heat and light stability to various polymer systems, preventing degradation during processing and extending product lifespan. This chemical is essential for manufacturers in the plastics, coatings, and rubber industries seeking to enhance the durability and performance of their materials under demanding conditions.

Application

• PVC Stabilizer: Acts as a highly effective heat stabilizer for polyvinyl chloride (PVC) and related copolymers, preventing discoloration and decomposition during extrusion, calendering, and molding processes.
• Polyurethane Catalyst: Serves as a catalyst in the production of polyurethane foams and elastomers, promoting efficient reaction between polyols and isocyanates.
• Silicone Rubber Cross-Linker: Used as a cross-linking agent or catalyst in the curing of silicone rubbers, contributing to improved elastomeric properties.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricating greases and oils.
• Polyesterification Catalyst: Employed as a catalyst in esterification and transesterification reactions for producing polyesters and plasticizers.
• Adhesive & Sealant Formulation: Incorporated into formulations to improve the thermal stability and curing characteristics of adhesives and sealants.

Basic Information

Product Name	Bis(3-Methoybutyl)-3,3'-[(Dibutylstannylene)Dithio]Dipropionate
CAS No.	69039-26-5
Molecular Formula	C26H52O4S2Sn
Molecular Weight	587.5 g/mol (approx.)
Synonyms	Dibutyltin bis(3-methoxybutyl thioglycolate); Dibutyltin bis(3-methoxybutylmercaptoacetate); 3-Methoxybutyl thioglycolic acid, dibutyltin derivative; Dibutyltin dimethoxybutyl thioglycolate; DBTL derivative; Organotin stabilizer 69039-26-5; Tin-based heat stabilizer; Bis(3-methoxybutyl) 3,3'-[(dibutylstannylene)dithio]dipropanoate
EINECS	Contact for details

Quality Control

Our production of Bis(3-Methoybutyl)-3,3'-[(Dibutylstannylene)Dithio]Dipropionate adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including assay, tin content determination, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources, strong oxidizing agents, and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 19.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.15 - 1.25
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.