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FASCAT® 4102 Catalyst
FASCAT® 4102, butyltin tris-2-ethylhexanoate, is a versatile catalyst utilized in transesterification reactions, silanol condensation reactions, and urethane cross-linking reactions.
FASCAT® 4102 is a multifunctional catalyst suitable for a wide range of chemical intermediate production processes. Through transesterifications, silanol condensations, and urethane cross-linking processes, a diverse range of end applications can be achieved. This catalyst, being in liquid form, can be readily integrated into the end product without the need for removal.
Specifications
Form: Liquid Color: Clear to pale yellow CAS number: 23850-94-4 Formula: BuSn(OOC8H15)3 Molecular weight: 605.4 Sn %: 19.6 Density (@ 25°C), g/cm3: 1.13
Primary Chemistry: Butyltin tris-2-ethylhexanoate
Features & Benefits
Soluble in many organic solvents Hydrolytically stable, liquid catalyst Neutral and noncorrosive Catalyzes esterification and polycondensation reactions at temperatures between 210°C and 240°C Significantly shortens esterification cycle times compared to uncatalyzed systems Minimizes side reactions such as ether formation from polyhydric alcohols Does not require neutralization or filtration at the end of production Can be charged up front with other reactants Requires no special handling other than avoiding excessive exposure to moisture Does not require neutralization or filtration at the end of production
Problems Solved
Too many side reactions, creating ether formation from polyhydric alcohols Too long of esterification and polycondensation reactions Lack of hydrolytically stable catalyst Difficulty handling and dispersing catalyst
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