Description

Dibutylbis(2-Phenylphenoxy)Stannane CAS NO 52722-81-3 is a specialized organotin compound widely utilized as a highly effective catalyst and stabilizer in polymer chemistry. Its primary value lies in its ability to facilitate precise polycondensation reactions, particularly in the production of high-performance engineering plastics and coatings. This product is essential for manufacturers in the plastics, resins, and specialty chemical industries seeking to enhance the thermal stability and mechanical properties of their materials.

Application

• Primary catalyst for the synthesis of polyesters, polycarbonates, and other condensation polymers.
• Stabilizer and catalyst in the production of silicone resins and high-temperature coatings.
• Key intermediate in the manufacture of heat-resistant and transparent engineering plastics.
• Used as a cross-linking agent or catalyst in specialty adhesive and sealant formulations.
• Employed in R&D for developing novel polymer materials with enhanced performance characteristics.
• Potential use as a stabilizer in PVC and other halogen-containing polymer systems.

Basic Information

Product Name	Dibutylbis(2-Phenylphenoxy)Stannane
CAS No.	52722-81-3
Molecular Formula	C40H44O2Sn
Molecular Weight	675.48 g/mol
Synonyms	Dibutyltin bis(o-phenylphenoxide); Dibutyltin bis(2-phenylphenolate); Stannane, dibutylbis(2-phenylphenoxy)-; DBTL-oPP; Dibutyltin o-phenylphenoxide; Dibutyl(2-phenylphenoxy)stannane; Catalyst T-9 (related trade name); Organotin catalyst 52722-81-3
EINECS	Contact for details

Quality Control

Our production of Dibutylbis(2-Phenylphenoxy)Stannane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product is characterized and verified using advanced analytical techniques including NMR, FT-IR, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Tin (Sn) Content	16.5 - 18.0 %
Melting Point	85 - 95 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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