Description

Dioctylbis(3,5,5-Trimethylhexanoyloxy)Stannane is a specialized organotin compound, specifically a dialkyltin dicarboxylate, with the CAS number 85702-87-0. This chemical serves as a highly effective catalyst and stabilizer, prized for its ability to accelerate reactions and enhance material properties in demanding industrial processes. It is a critical component for manufacturers in the plastics, polymer, and specialty chemical industries seeking to improve production efficiency and product performance.

Application

• Polyurethane (PU) Foam Catalyst: A key catalyst in the production of flexible and rigid polyurethane foams, promoting the reaction between isocyanates and polyols for controlled foam formation.
• Polymer Stabilizer: Acts as a heat stabilizer for PVC and other halogenated polymers, preventing degradation during high-temperature processing.
• Esterification & Transesterification Catalyst: Facilitates the synthesis of esters, plasticizers, and biodiesel, offering high activity and selectivity.
• Silicone Cross-Linking Agent: Used in room-temperature vulcanization (RTV) of silicone rubbers and sealants to control cure rate and final properties.
• Adhesive & Coating Formulations: Enhances the curing performance and durability of industrial adhesives, coatings, and inks.
• Lubricant & Grease Additive: Serves as an additive to improve the extreme pressure (EP) and anti-wear properties of advanced lubricants.

Basic Information

Item	Details
Product Name	Dioctylbis(3,5,5-Trimethylhexanoyloxy)Stannane
CAS No.	85702-87-0
Molecular Formula	C34H68O4Sn
Molecular Weight	651.59 g/mol
Synonyms	Dioctyltin bis(3,5,5-trimethylhexanoate); Di-n-octyltin bis(3,5,5-trimethylhexanoate); DOTG (3,5,5-Trimethylhexanoate); Stannane, dioctylbis(3,5,5-trimethyl-1-hexanoyloxy)-; Dioctyltin di(isononanoate) (related); Organotin catalyst 85702-87-0; Tin-based esterification catalyst
EINECS	Contact for details

Quality Control

Our production of Dioctylbis(3,5,5-Trimethylhexanoyloxy)Stannane adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) documenting purity, physical properties, and performance metrics is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible organic solvents. Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 98.0 %
Purity (HPLC)	≥ 97.0 %
Specific Gravity (20°C)	1.00 - 1.05
Refractive Index (20°C)	1.470 - 1.480
Heavy Metals (as Pb)	< 10 ppm

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