Description

Dioctylbis(Stearoyloxy)Stannane CAS NO 22205-26-1 is a high-purity organotin compound widely used as a catalyst and stabilizer in industrial polymer synthesis. Its primary value lies in its ability to efficiently promote specific condensation reactions while offering excellent thermal stability. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable performance in demanding production environments.

Application

• Primary catalyst in the production of polyurethane (PU) foams and elastomers.
• Stabilizer and catalyst for silicone (RTV) and other condensation-cure polymer systems.
• Used as a cross-linking agent and catalyst in the manufacture of high-performance coatings and adhesives.
• Employed in esterification and transesterification reactions within specialty chemical synthesis.
• Acts as a heat stabilizer for PVC and other halogen-containing polymers.
• Key intermediate in the synthesis of other functional organotin compounds.

Basic Information

Product Name	Dioctylbis(Stearoyloxy)Stannane
CAS No.	22205-26-1
Molecular Formula	C52H104O4Sn
Molecular Weight	887.96 g/mol
Synonyms	Dioctyltin Distearate; Dioctyltin Bis(stearate); Stannane, dioctylbis(stearoyloxy)-; Octyltin Stearate; Dioctyltin(IV) Distearate; DOT-St; Catalyst T-9 (related class); Stabilizer for PVC (related function)
EINECS	244-828-7

Quality Control

Our Dioctylbis(Stearoyloxy)Stannane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity, catalytic activity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, tin content, acid value, and physical properties is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to pale yellow waxy solid or liquid
Identification (IR)	Conforms to structure
Assay (Sn Content)	Min. 12.5%
Acid Value	≤ 2.0 mg KOH/g
Moisture (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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