Description

Bis(Dibutoxyphosphinyloxy)Tin(Ii) CAS NO 22002-15-9 is an organotin compound with significant utility as a catalyst and stabilizer in various polymerization and material synthesis processes. Its value lies in its ability to enhance reaction kinetics and improve the thermal stability of final products, which is critical for manufacturing performance materials. This chemical is primarily needed by industries involved in producing specialty polymers, advanced coatings, and high-performance lubricant additives.

Application

• As a catalyst in polyurethane (PU) and polyester resin synthesis.
• As a stabilizer for PVC and other halogen-containing polymers to prevent thermal degradation.
• As a key intermediate in the synthesis of organotin heat stabilizers and biocides.
• In the formulation of high-performance lubricants and grease additives.
• As a cross-linking agent or catalyst in silicone rubber and sealant production.
• For research and development in advanced material science, including nanocomposites.
• In the manufacture of transparent conductive coatings and other functional films.

Basic Information

Product Name	Bis(Dibutoxyphosphinyloxy)Tin(Ii)
CAS No.	22002-15-9
Molecular Formula	C16H38O6P2Sn
Molecular Weight	523.12 g/mol
Synonyms	Dibutyltin Bis(Butyl Phosphate); Tin, Bis(Dibutoxyphosphinyloxy)-; Butyltin Phosphate Ester; Dibutyltin Dibutyl Phosphate; Stannane, Bis(Dibutoxyphosphinyloxy)Dibutyl-; Organotin Phosphate Ester; DBTL Phosphate Derivative; Catalyst T-9 Phosphate Analog
EINECS	Contact for details

Quality Control

Our Bis(Dibutoxyphosphinyloxy)Tin(Ii) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to ISO 9001 quality management standards, and the material is compliant with global regulatory frameworks such as REACH. Comprehensive testing is performed, and a Certificate of Analysis (COA) detailing purity, identity, and key specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) after opening to maintain stability and prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 22.5 %
Purity (HPLC)	≥ 95.0 %
Density (at 20°C)	1.15 - 1.25 g/cm³
Refractive Index (n20D)	1.470 - 1.490
Water Content (KF)	≤ 0.5 %

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