Cannabis October 12, 2016 thcscience_admin Iodine fluoride may refer to: Iodine monofluoride (iodine(I) fluoride), IF Iodine trifluoride (iodine(III) fluoride), IF3 Iodine pentafluoride (iodine(V) fluoride), IF5 Iodine heptafluoride (iodine(VII) fluoride), IF7