Aug. 2nd, 2022

Industrial Chemical

Japan Updates CAS Numbers for Class I and II substances Under PRTR

On July 26, 2022, the Japanese National Institute of Technology and Evaluation (NITE) updated the List of CAS numbers for the Class I and Class II substances controlled under the Pollutant Release and Transfer Register (PRTR) Law. The amendments are for the CAS numbers of substances with Administrative No. 88, 132, 257, 652 and 666. The whole list is accessible here: Japan PRTR SDS ALL LIST. Under the PRTR framework, businesses handling Class I substances are required to estimate and report the release and transfer of such substances regularly. Both Class I and II substances are subject to SDS and labelling requirements under the GHS framework. The number of Class I substances was increased from 462 to 515, and the number of Class II substances is increased from 100 to 134 in October 2021 by revising the Enforcement Order of the Pollutant Release and Transfer Register (PRTR) Law. However, the substances haven’t been indicated with CAS numbers, let alone the fact that some are groups of multiple CAS numbers. To help enterprises easily identify the controlled substances by specific CAS numbers, NITE published on November 30, 2021 the whole list of CAS numbers for the Class I substances and Class II substances, which has been updated for seven times and will be updated constantly in the future. It should be noted that the entries highlighted in grey refer to substances that were deleted by last year’s amendment, which will no longer be controlled by PRTR after April 1, 2023. Reprinted from: ChemLinked

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