Description

Bis(Benzoylthio)Dioctylstannane is a specialized organotin compound that functions as a highly effective heat stabilizer and catalyst. This product is critical for enhancing the thermal processing stability and longevity of polymer materials, particularly PVC. It is primarily needed by manufacturers in the plastics, polymer additives, and specialty chemical synthesis industries seeking to improve product performance under high-temperature conditions.

Application

• Primary Heat Stabilizer for PVC: Used in rigid and flexible PVC formulations to prevent degradation during processing and extend the service life of the final product.
• Catalyst for Polyurethane and Silicone Elastomers: Acts as a catalyst in the production of polyurethane foams, coatings, and silicone cross-linking reactions.
• Lubricant and Processing Aid: Improves the flow properties of polymer melts during extrusion and injection molding.
• Stabilizer for Other Halogen-Containing Polymers: Provides thermal stabilization for polymers beyond PVC, such as chlorinated polyethylene (CPE).
• Intermediate for Specialty Chemical Synthesis: Serves as a key building block in the synthesis of other organotin compounds and functional additives.

Basic Information

Product Name	Bis(Benzoylthio)Dioctylstannane
CAS No.	15481-47-7
Molecular Formula	C30H44O2S2Sn
Molecular Weight	619.51 g/mol
Synonyms	Dioctyltin Bis(Benzoylthio)diacetate; Dioctyltin Bis(Benzoyl Mercaptide); Bis(Benzoylthio)di-n-octylstannane; 1,1'-(Dioctylstannylene) Bis(Thiobenzoate); Dioctyltin Bis(Thiobenzoate); Stabilizer OT-3; Thermolite 890; (Benzoylthio)dioctylstannane
EINECS	Contact for details

Quality Control

Our Bis(Benzoylthio)Dioctylstannane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, tin content, and performance characteristics. Certificates of Analysis (COA) are provided to guarantee consistent quality and traceability for our global B2B clients.

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 strong oxidizing agents and moisture. For long-term storage, consider an inert atmosphere to maintain optimal efficacy.

Specification

Item	Specification
Appearance	Light yellow to yellow viscous liquid
Identification (IR)	Conforms
Assay (Tin Content)	≥ 18.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (n20D)	1.55 - 1.58

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