Dibutyltin diacetate DK-4202

Dibutyltin diacetate DK-4202

General Characteristics
Description: DK-4202 catalyst, dibutyltin diacetate, is a clear, colorless to pale yellow liquid.

Formula: C12H24O4Sn

Molecular Weight: 351.0

% Sn: 32.0—33.8%

Specific Gravity(@25°C)(H2O):1.30

Melting Point: 10℃

Solubility

Insoluble in water. Soluble in most organic solvents. Can form a film in petroleum distillates.

Application
DK-4202 catalyst is used in silanol condensation reactions for caulk and sealant applications, and in the production of blocked isocyanates for urethane coatings that are used in the automotive OEM market. It is also used to cross-link urethane coating systems for both the automotive and industrial coatings markets, and is used in the transesterification of esters for the antioxidant and synthetic lubricant markets.
Product Features and Benefits
DK-4202 catalyst is a versatile catalyst that can be used in transesterification reactions, silanol condensation reactions, and urethane cross-linking reactions. DK-4202 catalyst is incorporated into the final product and does not require removal. It is a liquid catalyst for ease of processing, and can be used at temperatures up to 250°C provided care is taken to minimize the presence of moisture.
Package
50KG plastic steel drum

Storage: stored in a well ventilated, cool and dry place

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