Description

Di-n-Butyldiphenyl Tin is a versatile organotin compound widely utilized as a key intermediate and catalyst in advanced chemical synthesis. Its primary commercial value lies in its role as a precursor for heat stabilizers in PVC and as a catalyst in polyurethane and silicone elastomer production. This product is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking reliable performance in condensation and esterification reactions.

Application

• PVC Heat Stabilizer Precursor: A critical intermediate in the synthesis of high-efficiency organotin-based heat stabilizers for rigid and flexible PVC applications.
• Polyurethane Catalyst: Acts as a catalyst in the production of polyurethane foams and elastomers, influencing cure rates and final polymer properties.
• Silicone Cross-linking Agent: Used as a catalyst or cross-linking agent in the curing of silicone rubbers and resins.
• Esterification & Transesterification Catalyst: Facilitates esterification and transesterification reactions in the production of plasticizers, lubricants, and biodiesel.
• Specialty Chemical Intermediate: Serves as a building block for other organometallic compounds and fine chemicals used in research and industrial processes.
• Wood Preservative Component: Employed in formulations for wood treatment and preservation.

Basic Information

Product Name	Di-n-Butyldiphenyl Tin
CAS No.	6452-61-5
Molecular Formula	C20H28Sn
Molecular Weight	387.14 g/mol
Synonyms	Dibutyldiphenyltin; Dibutyl(diphenyl)stannane; Tin, dibutyldiphenyl-; Stannane, dibutyl(diphenyl)-; Di-n-butyl-diphenyl-stannan; DBDPT; NSC 154108; Dibutyltin diphenyl
EINECS	229-253-1

Quality Control

Our Di-n-Butyldiphenyl Tin is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and titration to confirm identity, assay, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Tin (Sn) Content	30.0 - 31.0 %
Density (at 20°C)	1.18 - 1.22 g/mL
Refractive Index (n20/D)	1.570 - 1.580

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