Description

Bis[[(Dibutylamino)Thioxomethyl]Thio]Dimethylstannane is a specialized organotin compound with a complex thiocarbamate structure, serving as a highly effective stabilizer and catalyst in advanced polymer synthesis. This chemical matters for its ability to impart superior thermal and light stability to sensitive polymer matrices, enhancing product longevity and performance. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve the durability of PVC and other halogenated polymers.

Application

• Primary Heat Stabilizer for PVC: Used in rigid and flexible PVC formulations to prevent degradation during high-temperature processing.
• Light Stabilizer in Coatings: Imparts UV resistance to industrial and protective coatings, preventing yellowing and embrittlement.
• Catalyst in Polyurethane Systems: Acts as a selective catalyst for polyurethane foam and elastomer production.
• Additive for Specialty Polymers: Enhances the thermal stability of engineering plastics and other high-performance polymers.
• Stabilizer for Wire and Cable Insulation: Protects PVC insulation from thermal aging, ensuring long-term electrical safety.
• Intermediate for Further Synthesis: Serves as a key building block for synthesizing more complex organotin compounds.

Basic Information

Product Name	Bis[[(Dibutylamino)Thioxomethyl]Thio]Dimethylstannane
CAS No.	64653-03-8
Molecular Formula	C22H48N2S4Sn
Molecular Weight	587.6 g/mol
Synonyms	Dimethyltin bis(dibutyldithiocarbamate); Dibutyltin bis(dibutyldithiocarbamate) (common misnomer); Methyltin dithiocarbamate; Stabilizer T-250; Stanclere T-250; Therm-Chek 837; PVC heat stabilizer 64653-03-8; Bis(dibutyldithiocarbamato)dimethyltin
EINECS	Contact for details

Quality Control

Our production of Bis[[(Dibutylamino)Thioxomethyl]Thio]Dimethylstannane adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. The product is manufactured and tested in compliance with relevant industry guidelines. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with each shipment to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation. Keep away from strong alkali and incompatible materials.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid or paste
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 19.5%
Purity (HPLC)	Min. 95.0%
Moisture (KF Titration)	Max. 0.5%
Specific Gravity	1.10 - 1.25

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