Description

Dibutylbis(Nonanoyloxy)Stannane is a specialized organotin compound, specifically a dialkyltin dicarboxylate, known for its role as a highly effective catalyst and stabilizer. Its primary commercial value lies in its ability to accelerate polyurethane (PU) and polyvinyl chloride (PVC) reactions while providing excellent thermal stability to the final polymer products. This chemical is essential for manufacturers in the plastics, coatings, and sealants industries who require precise reaction control and enhanced material performance. The compound is supplied with a CAS number of 25955-19-5.

Application

• Polyurethane (PU) Catalyst: A key catalyst in the production of flexible and rigid polyurethane foams, elastomers, and coatings, promoting efficient urethane formation.
• PVC Heat Stabilizer: Acts as a co-stabilizer in polyvinyl chloride (PVC) formulations to prevent thermal degradation during processing, extending product life.
• Silicone Cross-linking Agent: Used as a catalyst in condensation-cure silicone rubber systems to facilitate room-temperature vulcanization (RTV).
• Esterification & Transesterification Catalyst: Employed in organic synthesis to catalyze ester formation and interchange reactions for specialty chemicals.
• Adhesive & Sealant Formulations: Enhances the curing properties and durability of high-performance industrial adhesives and sealants.
• Lubricant & Grease Additive: Serves as an additive to improve the thermal stability and performance of synthetic lubricants and greases.

Basic Information

Product Name	Dibutylbis(Nonanoyloxy)Stannane
CAS No.	25955-19-5
Molecular Formula	C26H52O4Sn
Molecular Weight	539.38 g/mol
Synonyms	Dibutyltin Dinonanoate; Dibutyltin Bis(nonanoate); Dibutylstannylene Dinonanoate; Stannane, Dibutylbis(nonanoyloxy)-; Nonanoic Acid, Dibutylstannylene Ester; DBTN; Catalyst T-9 (related series); Thermolite 340 (related series); Organotin Catalyst
EINECS	Contact for details

Quality Control

Our Dibutylbis(Nonanoyloxy)Stannane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is 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 heat, open flames, and incompatible materials such as strong acids and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Sn Content)	Min. 21.5%
Purity (HPLC)	Min. 97.0%
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.470 - 1.490

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