Description

Bis(Isooctanoyloxy)Dioctylstannane is a specialized organotin compound, also known as dioctyltin diisooctanoate. This chemical serves as a highly effective catalyst and stabilizer in various polymerization and material synthesis processes. It is primarily utilized by manufacturers in the plastics, coatings, and adhesive industries seeking to enhance product performance and processing efficiency.

Application

• Polyurethane (PU) Foam Catalyst: Acts as a gelling catalyst in the production of flexible and rigid polyurethane foams, promoting optimal cross-linking and foam structure.
• PVC Stabilizer: Functions as a heat stabilizer in polyvinyl chloride (PVC) formulations, preventing degradation during high-temperature processing and extending product life.
• Silicone Rubber Curing Agent: Used as a catalyst in the curing (vulcanization) of room-temperature vulcanizing (RTV) silicone rubbers.
• Esterification & Transesterification Catalyst: Facilitates esterification and transesterification reactions in the synthesis of plasticizers, lubricants, and biodiesel.
• Adhesive & Sealant Formulations: Imparts improved curing characteristics and thermal stability to industrial adhesives and sealants.
• Coating Additive: Enhances the curing speed and final film properties in various coating systems, including paints and varnishes.

Basic Information

Product Name	Bis(Isooctanoyloxy)Dioctylstannane
CAS No.	85702-78-9
Molecular Formula	C32H64O4Sn
Molecular Weight	631.55 g/mol
Synonyms	Dioctyltin Diisooctanoate; Dioctyltin Bis(2-ethylhexanoate); Stannane, bis(2-ethylhexanoyloxy)dioctyl-; DOTG (Dioctyltin Glycolate) derivative; Tin, bis(2-ethylhexanoato)dioctyl-; Octyltin stabilizer; Dioctyltin (IV) diisooctanoate; Catalyst T-9 (industry variant)
EINECS	Contact for details

Quality Control

Our Bis(Isooctanoyloxy)Dioctylstannane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent purity, catalytic activity, and compliance with relevant industry specifications. A comprehensive Certificate of Analysis (COA) detailing assay, tin content, and impurity profiles is provided with every shipment to guarantee traceability and performance reliability.

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 oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, pale yellow to colorless liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	Min. 18.5%
Purity (HPLC)	Min. 95.0%
Specific Gravity (20°C)	1.01 - 1.05
Refractive Index (20°C)	1.470 - 1.480
Heavy Metals (as Pb)	Max. 10 ppm

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