| 863 | 2-Chloro-1,3-butadieneChloropene, Chloropren, Neoprene ah | | High Pressure Gas Safety Act | Toxic gases | | Good ventilation in storage; installation of the detection and warning facility for gas leakage; external safety inspection at least once a year; periodical self-inspection at least once a year | Ministry of Economy, Trade and Industry | | High Pressure Gas Safety Act |
| 1853 | 2-Chloro-1,3-butadieneChloropene, Chloropren, Neoprene ah | | 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 |