Description

1,1,3,3-Tetrabutyl-1,3-Bis[(1-Oxooctadecyl)Oxy]Distannoxane CAS NO 3465-77-8 is a specialized organotin compound, specifically a distannoxane derivative, known for its role as a highly effective catalyst and stabilizer. This product matters for its ability to facilitate critical reactions in polymer synthesis and to provide superior thermal and light stabilization in various materials. It is primarily needed by manufacturers in the polymer, plastics, and coatings industries seeking to enhance product performance and longevity.

Application

• Polyurethane (PU) Foam Catalyst: Acts as a highly efficient gelling catalyst in the production of flexible and rigid polyurethane foams, promoting optimal cross-linking and foam structure.
• Polymer Stabilizer: Provides excellent thermal and light stabilization for PVC and other halogenated polymers, preventing degradation during processing and in end-use applications.
• Silicone Cross-linking Agent: Used as a catalyst in condensation-cure silicone rubber systems, facilitating room-temperature vulcanization (RTV).
• Esterification & Transesterification Catalyst: Catalyzes the synthesis of esters, plasticizers, and biodiesel, offering high activity and selectivity.
• Adhesive & Sealant Formulations: Imparts enhanced curing properties and durability in high-performance industrial adhesives and sealants.
• Coating Additive: Improves the curing speed and final film properties in various coating systems, including industrial and protective coatings.

Basic Information

Product Name	1,1,3,3-Tetrabutyl-1,3-Bis[(1-Oxooctadecyl)Oxy]Distannoxane
CAS No.	3465-77-8
Molecular Formula	C52H108O4Sn2
Molecular Weight	1016.6 g/mol
Synonyms	Dibutyltin Distearate; Dibutyltin Bis(stearate); Stannoxane, 1,1,3,3-tetrabutyl-1,3-bis[(1-oxooctadecyl)oxy]-; Tetrabutyl Distannoxane Distearate; DBTL Distearate; Dibutyltin Oxide Distearate Adduct; Catalyst T-9 (Distearate variant); Stabilizer for PVC (organotin type)
EINECS	Contact for details

Quality Control

Our 1,1,3,3-Tetrabutyl-1,3-Bis[(1-Oxooctadecyl)Oxy]Distannoxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by titration and identification by FT-IR, to ensure it meets precise specifications for catalytic activity and purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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, open flames, and incompatible materials such as strong acids and oxidizing agents. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white waxy solid or paste
Identification (IR)	Conforms to reference spectrum
Assay (Tin content)	Min. 22.0 %
Melting Point	45 - 55 °C
Loss on Drying	Max. 1.0 %

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