| 1753 | Phosfolan(1,3-Dithiolan-2-ylidene)phosphoramidothioic acid O,O-diethyl, Diethyl-(1,3-dithiocyclopentylidene)-thiophosphoramide, O,O-diethyl 1,3-dithiolan-2-ylidenephosphoramidothioate, Phospholan |  | Poisonous and Deleterious Substances Control Act | Poisonous Substances |  | Management of the storing amount; Locked storage; Showing “Poisonous 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 | 
| 1925 | Phosfolan(1,3-Dithiolan-2-ylidene)phosphoramidothioic acid O,O-diethyl, Diethyl-(1,3-dithiocyclopentylidene)-thiophosphoramide, O,O-diethyl 1,3-dithiolan-2-ylidenephosphoramidothioate, Phospholan |  | 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 |