Description

Diisooctyl 4,4'-[(1,1,3,3-Tetrabutyldistannoxane-1,3-Diyl)Bis(Oxy)]Bis[4-Oxobut-2-En-1-Oate] is a specialized organotin compound, a distannoxane derivative, designed for high-performance applications. This chemical matters as a versatile intermediate and catalyst, offering unique reactivity and stability for advanced material synthesis. It is primarily needed by manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product properties and process efficiency.

Application

• Polymerization Catalyst: Acts as a catalyst or co-catalyst in the production of polyurethanes, polyesters, and other condensation polymers.
• PVC Stabilizer Intermediate: Serves as a key precursor in the synthesis of high-efficiency organotin heat stabilizers for rigid and flexible PVC formulations.
• Crosslinking Agent: Used in silicone and other elastomer systems to promote controlled crosslinking and improve thermal and mechanical properties.
• Surface Coating Modifier: Imparts enhanced durability, adhesion, and weather resistance in high-performance industrial and marine coatings.
• Specialty Additive Synthesis: An essential building block for creating custom organometallic additives with specific functional properties.
• Transesterification Catalyst: Facilitates ester exchange reactions in the production of biodiesel and specialty esters.

Basic Information

Product Name	Diisooctyl 4,4'-[(1,1,3,3-Tetrabutyldistannoxane-1,3-Diyl)Bis(Oxy)]Bis[4-Oxobut-2-En-1-Oate]
CAS No.	68974-77-6
Molecular Formula	C48H84O10Sn2
Molecular Weight	~1044.4 g/mol
Synonyms	1,1,3,3-Tetrabutyl-1,3-bis[4-(diisooctyloxycarbonyl)-2-butenoyloxy]distannoxane; Tetrabutylbis[4-(diisooctyloxycarbonyl)-2-butenoyloxy]distannoxane; Distannoxane, 1,1,3,3-tetrabutyl-1,3-bis[4-(diisooctyloxycarbonyl)-2-butenoyloxy]-; Organotin distannoxane derivative; Diisooctyl fumarate tin complex; Tin-based ester catalyst; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Diisooctyl 4,4'-[(1,1,3,3-Tetrabutyldistannoxane-1,3-Diyl)Bis(Oxy)]Bis[4-Oxobut-2-En-1-Oate] adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing, including assay, tin content determination, and impurity profiling, to ensure consistency and compliance with agreed specifications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Tin (Sn) Content	22.5 - 23.5 %
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.480 - 1.500

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