Description

Dibutylbis[(1-Oxoisooctyl)Oxy]Stannane is an organotin compound widely utilized as a catalyst and stabilizer in industrial polymer chemistry. Its primary value lies in its ability to efficiently promote polycondensation reactions, such as in the production of polyesters and polyurethanes, while offering specific thermal and processing stability. This makes it a critical material for manufacturers in the plastics, coatings, and specialty polymer industries seeking to enhance product performance and production efficiency.

Application

• Polyesterification Catalyst: A key catalyst in the production of saturated and unsaturated polyesters for resins, fibers, and films.
• Polyurethane (PU) Catalyst: Used to catalyze the reaction between polyols and isocyanates in the manufacture of flexible and rigid PU foams, elastomers, and coatings.
• PVC Stabilizer: Acts as a heat stabilizer in polyvinyl chloride (PVC) processing to prevent degradation during extrusion and molding.
• Silicone Curing Agent: Employed as a catalyst in the cross-linking (curing) of silicone polymers for sealants, adhesives, and rubbers.
• Transesterification Reactions: Facilitates ester exchange reactions in organic synthesis and polymer modification.
• Adhesive & Sealant Formulations: Imparts specific curing characteristics and stability to high-performance industrial adhesives and sealants.

Basic Information

Product Name	Dibutylbis[(1-Oxoisooctyl)Oxy]Stannane
CAS No.	85702-74-5
Molecular Formula	C24H48O4Sn
Molecular Weight	519.33 g/mol
Synonyms	Dibutyltin bis(2-ethylhexanoate); Dibutyltin di(2-ethylhexanoate); Dibutyltin dioctoate; DBTO; Dibutyltin(IV) bis(2-ethylhexanoate); Stannane, dibutylbis[(1-oxoisooctyl)oxy]-; Catalyst T-9; Thermolite 26
EINECS	Contact for details

Quality Control

Our Dibutylbis[(1-Oxoisooctyl)Oxy]Stannane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for tin content, purity, and performance characteristics. Certificates of Analysis (COA) documenting key 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, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain efficacy. Keep away from strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Sn Content)	18.5 - 19.5 %
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.470 - 1.480
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.3 %

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