Description

Bis(2-Ethylhexyl) 4,4,11,11-Tetrabutyl-6,9-Dioxo-5,10-Dioxa-3,12-Dithia-4,11-Distannatetradec-7-Enedioate is a specialized organotin compound, CAS NO 18403-67-3, valued for its role as a high-performance catalyst and stabilizer in advanced polymer synthesis. Its unique molecular structure, featuring multiple tin centers and ester groups, provides exceptional reactivity and thermal stability for demanding industrial processes. This chemical is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Polymerization Catalyst: Acts as a key catalyst in the production of polyurethanes, polyesters, and other condensation polymers, enabling precise control over molecular weight and polymer architecture.
• PVC Stabilizer: Serves as an effective heat stabilizer for polyvinyl chloride (PVC) formulations, preventing degradation during high-temperature processing and extending product lifespan.
• Cross-linking Agent: Utilized in silicone and rubber curing systems to promote durable cross-links, improving the elasticity, tensile strength, and chemical resistance of the final elastomer.
• Intermediate for Organometallic Synthesis: Functions as a versatile building block for synthesizing more complex organotin compounds used in research and specialty applications.
• Additive for Coatings and Adhesives: Enhances the curing speed, adhesion, and weatherability of industrial coatings, paints, and high-performance adhesive systems.

Basic Information

Item	Details
Product Name	Bis(2-Ethylhexyl) 4,4,11,11-Tetrabutyl-6,9-Dioxo-5,10-Dioxa-3,12-Dithia-4,11-Distannatetradec-7-Enedioate
CAS No.	18403-67-3
Molecular Formula	C44H84O8S2Sn2
Molecular Weight	Contact for details
Synonyms	Dioctyltin maleate (derivative); Bis(2-ethylhexyl) (Z)-4,4,11,11-tetrabutyl-6,9-dioxo-5,10-dioxa-3,12-dithia-4,11-distannatetradec-7-ene-1,14-dioate; Organotin catalyst 18403-67-3; Distannoxane derivative; Tin-based ester complex; Tetrabutyl distannoxane dicarboxylate
EINECS	Contact for details

Quality Control

Our production of Bis(2-Ethylhexyl) 4,4,11,11-Tetrabutyl-6,9-Dioxo-5,10-Dioxa-3,12-Dithia-4,11-Distannatetradec-7-Enedioate adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent purity, reactivity, and performance. Certificates of Analysis (COA) detailing key specifications such as tin content, assay, and impurity profiles are provided to guarantee traceability and 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 moisture. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 95.0%
Purity (HPLC)	≥ 90.0%
Specific Gravity (20°C)	Contact for details
Refractive Index (n20D)	Contact for details

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