title: Nonaflate
text: # Nonaflate
  
  Nonaflate, CF $_3CF$ $_2CF$ $_2CF$ $_2SO^−$ $_3,$ is the common name given to nonafluorobutanesulfonates, the salts or esters of perfluorobutanesulfonic acid. Its uses are similar to those of triflate. It is a good leaving group. It is a substitute for more toxic long-chain PFAS chemicals.
  
  