Description

Bis(2-Octyl)-2,2'-[(Dibutyl-Stannylene)Dithio] Diacetate is an organotin compound that serves as a highly effective stabilizer and catalyst in polymer chemistry. Its primary value lies in its ability to prevent thermal degradation and enhance the processing stability of various polymeric materials. This product is essential for manufacturers in the plastics, PVC, and specialty polymer industries seeking to improve product longevity and performance under demanding conditions.

Application

• PVC Stabilizer: Acts as a primary or secondary heat stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations to prevent dehydrochlorination during processing and use.
• Polymer Catalyst: Functions as a catalyst or co-catalyst in polyurethane (PU) and silicone rubber production, facilitating cross-linking and curing reactions.
• Lubricant Additive: Used as an anti-wear and extreme pressure (EP) additive in advanced synthetic lubricants and greases.
• Adhesive & Sealant Formulation: Imparts stability and modifies curing characteristics in high-performance adhesives, sealants, and coatings.
• Wire & Cable Insulation: Provides critical thermal stabilization for PVC and other polymer insulations used in electrical wiring and cables.
• Plasticizer Synergist: Works synergistically with primary plasticizers to enhance flexibility and processing in vinyl compounds.

Basic Information

Product Name	Bis(2-Octyl)-2,2'-[(Dibutyl-Stannylene)Dithio] Diacetate
CAS No.	32011-18-0
Molecular Formula	C28H56O4S2Sn
Molecular Weight	623.57 g/mol
Synonyms	Dibutyltin Bis(2-ethylhexyl thioglycolate); Dibutyltin Bis(2-ethylhexylmercaptoacetate); DBTL-EH; Dibutyltin Bis(iso-octyl thioglycolate); Dibutyltin Bis(2-ethylhexylthioacetate); Stabilizer T-250; Stanclere T-250; Thermolite 25
EINECS	Contact for details

Quality Control

Our production of Bis(2-Octyl)-2,2'-[(Dibutyl-Stannylene)Dithio] Diacetate adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. All material is tested against rigorous in-house specifications, which typically include assay, tin content, and impurity profile analysis. Certificates of Analysis (COA) documenting purity and key physical-chemical parameters are provided with every 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). Keep away from heat, sparks, open flames, and strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to standard
Assay (Tin Content)	≥ 18.5 %
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.480 - 1.495
Color (Gardner)	≤ 4

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