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FASCAT® 4201 Catalyst
The FASCAT ® 4201 catalyst, dibutyltin oxide, is an amorphous white solid.
The FASCAT® 4201 catalyst is extensively utilized in the aqueous cathodic electrodeposition of urethane coatings, as well as a catalyst for methacrylate esters used in the water treatment sector. FASCAT® 4201 is utilized in high-temperature transesterification reactions to manufacture coating resins and in the synthesis of alkyd resins.
Specifications
Form: Solid Color: Amorphous white CAS registry number: 818-08-6 Formula: Bu2SnO Molecular weight: 248.9 Sn %: 47.7 Melting point: Decomposes without melting Bulk density, g/cm3: 0.57
Primary Chemistry: Dibutyltin oxide
Features & Benefits
Insoluble in water and most organic solvents May be brought into solution by reaction with carboxylic acids, alcohols, and esters Forms a stable dispersion for aqueous coating applications Significantly shortens transesterification production cycle times for specialty acrylate monomers Offers energy savings due to lower reaction temperatures The FDA grade is available as FASCAT® 9201, which satisfies 21 CFR 175.300, 21 CFR 177.2420, and 21 CFR 175.105
Problems Solved
Lack of FDA approval from other catalysts Requirement of hydrolytic stability
Applications
Chemical resin manufacturing Coating resins Water treatment market
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