| 3180 | Butyl nitrite1-Butyl nitrite, 1-Butylnitrite, Butylnitrites, n-Butyl nitrite, n-Butynitrite, NBN, NCL-C-56553, n-C4H9ONO |  | Pharmaceutical Affairs Law | Designated Substances |  | Prohibition of manufacture and import of pharmaceutical products, non-pharmaceutical products and medical devices without a permit from Minister for Health, Labour and Welfare | Ministry of Health, Labour and Welfare |  | Pharmaceutical Affairs Law | 
| 1761 | Butyl nitrite1-Butyl nitrite, 1-Butylnitrite, Butylnitrites, n-Butyl nitrite, n-Butynitrite, NBN, NCL-C-56553, n-C4H9ONO |  | 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 |