1666 | 2,2-Bis(ethylsulphonyl)butane1-(1-Ethylsulfonyl-1-methyl-propyl)sulfonylethane, Diethylsulfonmethylethylmethane, Ethylsulfonal, Ethylsulphonal, Methyl sulfonal, Methylethyl ketone diethylsulfone, Methylsulphonal, Sulfonethylmethane, Trional | | 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 |