Potassium bis(trifluoromethanesulfonyl)imide, 99%

Potassium bis(trifluoromethanesulfonyl)imide, 99% (90076-67-8)

Potassium bis(trifluoromethanesulfonyl)imide, also known by its synonyms Potassium trifluoromethanesulfonimide, Potassium bis(trifluoroMethylsulfonyl)imide, K-TFSI, is an inorganic salt. The compound has a solid state at room temperature with a melting point between 198-203 °C. The SMILES string for this compound is “[K+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F”, and its InChI is “1S/C2F6NO4S2.K/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q-1;+1”.

Key Applications:

1. Radical Polymerization: Potassium Bis(trifluoromethane)sulfonimide is a Lewis acid used to enhance the low-temperature radical polymerization of N, N-dimethylacrylamide. This process is used to synthesize poly(N,N-dimethylacrylamide), a polymer with various potential applications such as in drug delivery and bioseparation.
2. Potassium Batteries: K-TFSI  is also used in potassium batteries, potentially improving their performance and capacity. This usage reflects the ongoing research and development in the area of energy storage technology.