Description

Dibutyl 3,3'-[Bis[[2-(Isooctyloxy)-2-Oxoethyl]Thio]Stannylene]Dipropionate is a specialized organotin compound primarily used as a high-performance stabilizer and catalyst. Its molecular structure provides excellent thermal stability and compatibility, making it a critical additive in demanding polymer formulations. This product is essential for manufacturers in the plastics and polymer industries seeking to enhance the durability and processing characteristics of their materials under high-temperature conditions.

Application

• Primary Stabilizer for PVC: Used 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.
• Catalyst for Polyurethane Foams: Serves as a catalyst in the formulation of flexible and rigid polyurethane foams, promoting consistent cell structure and curing.
• Additive for Silicone Rubbers: Employed as a cross-linking agent and stabilizer in high-temperature silicone rubber applications to improve thermal resistance.
• Stabilizer for Engineering Plastics: Enhances the thermal and oxidative stability of various engineering plastics during compounding and molding operations.
• Component in Specialty Coatings: Used in the formulation of heat-resistant and anti-corrosive coatings, where it acts as a stabilizer and catalyst.
• Additive for Adhesives and Sealants: Improves the thermal stability and curing profile of high-performance adhesives and sealants.

Basic Information

Item	Detail
Product Name	Dibutyl 3,3'-[Bis[[2-(Isooctyloxy)-2-Oxoethyl]Thio]Stannylene]Dipropionate
CAS No.	63397-60-4
Molecular Formula	C38H72O8S2Sn
Molecular Weight	823.8 g/mol (approx.)
Synonyms	Dibutyltin Bis(isooctyl thioglycolate); Dibutyltin Bis(isooctylmercaptoacetate); DBTL; Dibutyltin Laurate (alternative classification); Thermolite 310; Stanclere T-250; Advastab TM-181; Kosmos 19; Organotin Stabilizer 63397-60-4; Bis(isooctyloxycarbonylmethylthio)dibutylstannane
EINECS	Contact for details

Quality Control

Our Dibutyl 3,3'-[Bis[[2-(Isooctyloxy)-2-Oxoethyl]Thio]Stannylene]Dipropionate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, tin content, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	Min. 15.0 %
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.480 - 1.500
Color (Gardner)	Max. 5

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