The chemical Acesulfame potassium has a designated molecular formula of C4H5KNO4S and a molecular weight of 202.245 g/mol. Synonyms may include: Acesulfam-K, Acesulfame K, CCRIS 1032, EINECS 259-715-3, 1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide, potassium salt, Potassium 6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide, H733293, Hoe 095, Acesulfame-potassium (ChemID).