Description

Dipentadecyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate is a specialized organotin compound designed for high-performance applications requiring thermal and oxidative stability. This chemical serves as a highly effective stabilizer and catalyst, offering superior performance in demanding polymer processing environments. It is primarily needed by manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance the durability and processing characteristics of their materials.

Application

• Polymer Stabilizer: Acts as a highly effective heat stabilizer and antioxidant in polyvinyl chloride (PVC) and other halogenated polymers, preventing degradation during processing and extending product lifespan.
• Catalyst Intermediate: Serves as a key precursor or catalyst in specialized organic synthesis reactions, including esterification and transesterification processes.
• Lubricant & Grease Additive: Used as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations and high-temperature greases.
• Rubber Processing Aid: Functions as a stabilizer and curing agent in the production of synthetic rubbers, improving heat resistance and mechanical properties.
• Adhesive & Sealant Formulation: Imparts enhanced thermal stability and weatherability to high-performance adhesives, sealants, and coatings.
• Specialty Plasticizer: Employed as a secondary stabilizer-plasticizer in flexible PVC applications, contributing to long-term stability.

Basic Information

Item	Detail
Product Name	Dipentadecyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate
CAS No.	70969-63-0
Molecular Formula	C44H88O4S2Sn
Molecular Weight	823.98 g/mol
Synonyms	Bis(3-(dipentadecyloxy)-3-oxopropyl) (dibutylstannylene) disulfide; Dibutyltin bis(isooctyl thioglycolate) derivative; Organotin thioester; Dibutyltin bis(alkylthiopropionate); Tin stabilizer 70969-63-0; DBTL thioester; Thermoplastic stabilizer
EINECS	Contact for details

Quality Control

Our production of Dipentadecyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance against established specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee compliance with your technical 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. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 14.0 %
Purity (HPLC)	≥ 95.0 %
Color (Gardner)	≤ 5
Density (20°C)	~1.05 g/cm³
Moisture (KF)	≤ 0.5 %

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