What are the main uses of 1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfonyl fluoride (CAS: 375-72-4)?

1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfonyl fluoride (CAS: 375-72-4) is primarily used in the synthesis of fluorochemicals, pharmaceutical intermediates, and specialty solvents. It finds applications in the production of fluorinated surfactants, coatings, and materials due to its unique chemical properties. It is also utilized in research for developing fluorinated compounds with enhanced performance characteristics.