The chemical Potassium Iodide has a designated molecular formula of IK and a molecular weight of 166.003 g/mol. Synonyms may include: K1-N, AI3-52931, Asmofug E, Caswell No. 694, Dipotassium diiodide, EINECS 231-659-4, EPA Pesticide Chemical Code 075701, HSDB 5040, Iodure de potassium, Joptone, Kali iodide, Kalii iodidum (ChemID).