| 1606 | Hydrogen iodideHydriodic, Hydriodic acid, Hydriotic acid, Hydrogen hydrideiodine, Hydrogeniodid, Hydroidic acid |  | Poisonous and Deleterious Substances Control Act | Deleterious Substances |  | Management of the storing amount; Locked storage; Showing “Deleterious substance, not for medical use” on containers and storage, restriction of manufacture, import, sale, and handling | Ministry of Health, Labour and Welfare |  | Poisonous and Deleterious Substances Control Act | 
| 1817 | Hydrogen iodideHydriodic, Hydriodic acid, Hydriotic acid, Hydrogen hydrideiodine, Hydrogeniodid, Hydroidic acid |  | Poisonous and Deleterious Substances Control Act | Deleterious Substances |  | Management of the storing amount; Locked storage; Showing “Deleterious substance, not for medical use” on containers and storage, restriction of manufacture, import, sale, and handling | Ministry of Health, Labour and Welfare |  | Poisonous and Deleterious Substances Control Act |