Description

Di-iso-Butyltin Oxide is a versatile organotin compound widely utilized as a key intermediate and catalyst in industrial synthesis. Its primary commercial value lies in its role as a precursor for the production of heat stabilizers and catalysts, particularly for polyvinyl chloride (PVC) and polyurethane systems. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material performance and processing efficiency.

Application

• PVC Heat Stabilizer Precursor: A critical intermediate in the synthesis of high-performance organotin heat stabilizers for rigid and flexible PVC applications.
• Polyurethane Catalyst: Acts as a catalyst or catalyst precursor in the production of polyurethane foams and elastomers.
• Esterification & Transesterification Catalyst: Used to catalyze esterification and transesterification reactions in the synthesis of plasticizers, lubricants, and biodiesel.
• Silicone Cross-Linking Agent: Employed as a cross-linking agent or catalyst in silicone rubber and resin manufacturing.
• Specialty Chemical Synthesis: Serves as a versatile building block for synthesizing other organotin compounds with specific functional properties.
• Glass Coating & Surface Treatment: Used in formulations for glass coating to improve hardness, adhesion, and chemical resistance.

Basic Information

Product Name	Di-iso-Butyltin Oxide
CAS No.	61947-30-6
Molecular Formula	C16H36OSn2
Molecular Weight	443.86 g/mol
Synonyms	Diisobutyltin Oxide; Bis(isobutyl)tin Oxide; Isobutyltin Oxide; Di-iso-butylstannane Oxide; Oxobis(diisobutylstannane); Stannane, oxobis[diisobutyl-]; Dibutyltin Oxide, di-iso- isomer; Organotin oxide catalyst
EINECS	263-354-5

Quality Control

Our Di-iso-Butyltin Oxide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for tin content, purity, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed to prevent contact with atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or lumps
Identification (IR)	Conforms
Assay (Sn content)	≥ 52.0 %
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.