Description

1,3-Diacetoxy-1,1,3,3-Tetraoctyldistannoxane is a specialized organotin compound that serves as a highly effective catalyst and intermediate in advanced chemical synthesis. Its value lies in its unique distannoxane structure, which provides exceptional reactivity and selectivity for demanding polymerization and esterification reactions. This product is essential for R&D chemists and process engineers in the polymer, specialty chemical, and pharmaceutical industries seeking to develop novel materials or optimize catalytic processes.

Application

• Polymerization Catalyst: A key catalyst for the production of polyesters, polycarbonates, and other condensation polymers, offering high activity and control over molecular weight.
• Transesterification Agent: Used to facilitate efficient transesterification reactions in the synthesis of biodiesel, plasticizers, and fine chemicals.
• Organic Synthesis Intermediate: Serves as a versatile building block for synthesizing more complex organotin compounds with tailored properties.
• Polyurethane Foam Catalyst: Acts as a gelling catalyst in the formulation of flexible and rigid polyurethane foams, influencing cure rate and foam structure.
• Silicone Cross-linking Agent: Employed in the curing and cross-linking of silicone resins and rubbers to enhance thermal stability and mechanical properties.
• PVC Heat Stabilizer Precursor: A critical intermediate in the manufacture of high-performance organotin-based heat stabilizers for rigid PVC applications.

Basic Information

Product Name	1,3-Diacetoxy-1,1,3,3-Tetraoctyldistannoxane
CAS No.	69799-37-7
Molecular Formula	C₃₆H₇₄O₄Sn₂
Molecular Weight	828.37 g/mol
Synonyms	Bis(acetoxy)tetraoctyldistannoxane; Tetraoctyl-1,3-diacetoxydistannoxane; Acetoxytetraoctyldistannoxane; Distannoxane, 1,3-diacetoxy-1,1,3,3-tetraoctyl-; Tetraoctyltin diacetate oxide dimer; Organotin catalyst DBTO-Ac; Dioctyltin acetate oxide dimer; DBTAO (Dibutyltin Acetate Oxide analog)
EINECS	Contact for details

Quality Control

Our 1,3-Diacetoxy-1,1,3,3-Tetraoctyldistannoxane is manufactured under strict quality management systems. Each batch undergoes comprehensive analysis to ensure consistency and meets high-purity standards suitable for catalytic applications. Certificates of Analysis (COA) detailing assay, tin content, and impurity profiles 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 strong bases and incompatible materials. Due to its reactivity, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Tin (Sn) Content	28.0 - 29.0 %
Specific Gravity (20°C)	1.10 - 1.20
Water Content (KF)	≤ 0.5 %

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