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On January 28, 2022, Japanese Ministry of Health, Labor and Welfare (MHLW) released the revised lists of poisonous and deleterious chemicals designated under the Poisonous and Deleterious Substances Control Law (PDSCL). Compared with the consultation version released in December, 2021, the main amendments[1] remain unchanged. They will be implemented on February 1, 2022 (the second revision point below will be implemented from January 28, 2022).
As of February 1, 2022, companies engaged in the manufacture, import, or sale of the newly designated deleterious chemicals will be exempted from compliance under Articles 3, 7, and 9 of the PDSCL until April 30, 2022.
As of February 1, 2022, the existing newly designated deleterious chemicals will be exempted from labeling under Items 1 and 2, Article 12 of the PDSCL until April 30, 2022.
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On December 1, 2021, the MHLW consulted on the revision of the lists of poisonous and deleterious chemicals[2] designated under the PDSCL. The consultation will end on December 30, 2021. The revision is scheduled to be officially announced at the end of January, 2022, and will be implemented in early February, 2022.
The lists are reviewed regularly by the Poisonous and Deleterious Substance Committee as stakeholders submit the data. The lethal dose of poisonous substances is less than 2g, and the lethal dose of deleterious substances is 2g to 10g. Changes will be made depending on the concentration of poison through amendments to the Cabinet Order for the Designation of the Poisonous and Deleterious Substances, under the Poisonous and Deleterious Substances Control Law.
According to the proposed revision, the lists of poisonous and deleterious substances will be changed as follows:
One substance is added as deleterious substance, namely preparations containing over 5% of 4-Methylbenzenesulfonic acid (CAS No.: 104-15-4);
One substance is removed from the deleterious substances, namely Bis(2-methylpropyl)3,3'-[ethane-1,2-diylbis(oxyethane-2,1-diylsulfandiyl-4,1-phenylene)]bis(2-cyanoprop-2-enoate) (CAS No.: 2260706- 63- 4);
Two poisonous substances are designated as deleterious substances, namely preparations containing less than 0.1% of Sodium o-(ethylmercurithio)benzoate (CAS No.: 54-64-8), and preparations containing 0.5% to 1.5% of 2,3,5,6-Tetrafluoro-4-methylbenzyl (Z)-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate (CAS No.: 79538-32-2).
The PDSCL was enacted and enforced in 1950 to control poisonous and deleterious substances to protect public health and hygiene. This law imposes a license requirement on manufacturers, importers and sellers of poisonous or deleterious substances. The lists of poisonous and deleterious substances are revised once every year. Last year’s revision was proposed in May and became effective in July (Chemlinked news)[3].
