Description

Bis(Triisobutyltin) Oxide is a versatile organotin compound primarily valued for its role as a catalyst and stabilizer in various industrial chemical processes. Its significance lies in its ability to facilitate specific reactions and enhance the durability of polymeric materials. This product is essential for manufacturers in the plastics, coatings, and specialty chemical synthesis sectors who require reliable, high-performance additives.

Application

• Catalyst in polyurethane (PU) foam production and other polycondensation reactions.
• Heat stabilizer for polyvinyl chloride (PVC) and other halogen-containing polymers.
• Intermediate in the synthesis of other organotin compounds for biocidal applications.
• Catalyst for esterification and transesterification reactions in fine chemical manufacturing.
• Additive in silicone curing systems and other specialty sealants.
• Component in antifouling paint formulations for marine coatings.
• Stabilizer in various industrial lubricant and grease formulations.

Basic Information

Product Name	Bis(Triisobutyltin) Oxide
CAS No.	6208-26-0
Molecular Formula	C24H54OSn2
Molecular Weight	596.11 g/mol
Synonyms	Hexaisobutyldistannoxane; Di(triisobutyltin) oxide; Bis(tri-iso-butylstannyl) oxide; TBTO (commonly used abbreviation); Stannane, 1,1,1-tributyl-, oxide (1:1); Distannoxane, hexaisobutyl-; Organotin oxide catalyst
EINECS	228-265-6

Quality Control

Our Bis(Triisobutyltin) Oxide is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including assay by titration and identification by spectroscopic methods, to meet exacting industry specifications. A Certificate of Analysis (COA) detailing purity, tin content, and impurity profiles is provided with each 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 area 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	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Tin content)	≥ 38.0 %
Purity (GC)	≥ 95.0 %
Specific Gravity (20°C)	1.15 - 1.18
Refractive Index (n20D)	1.490 - 1.510

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