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This FASCAT® 4200 catalyst, dibutyltin diacetate, is a clear, colorless to pale yellow liquid.
FASCAT® 4200 is a multifunctional catalyst employed in silanol condensation processes for manufacturing caulk and sealants and in the creation of blocked isocyanates for urethane coatings. This grade can serve as a catalyst for the cross-linking of urethane coating systems and for the transesterification of esters in the antioxidant and synthetic lubricant markets.
Form: Liquid
Color: Pale yellow
CAS registry number: 1067-33-0
Formula: Bu2Sn(OOCCH3)2
Molecular weight: 351.0
Sn %: 33.0
Melting point, °C: 10
Specific gravity (@ 25°C): 1.32
Primary Chemistry: Dibutyltin diacetate
Insoluble in water
Soluble in most organic solvents
Can form a film in petroleum distillates
Liquid form for ease of processing
Can be used at temperatures up to 250°C
Lack of thermal stability due to high processing temperatures
Chemical intermediate manufacturing
Synthetic lubricants
Urethane coatings
Caulk and sealant
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