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South Korea expands the definition of existing substances

2021-08-25

Chemical inventory K-REACH


The Ministry of Environment (MoE) in South Korea added the provision to expand the definition of existing substances on Aug 12th, 2021.

According to K-REACH, existing substances are those listed in the inventory. The definition of existing substances has been expanded to include various forms of substances including: 

  • hydrate or anhydrous of existing substances
  • reaction products consisting of two or more existing substances
  • Isomers of an existing substance

It also includes those chemical substances mentioned in the attachment (in Korean)

This expansion is due to the definition of existing substances now includes existing chemicals' reaction products and isomers. Registrants are recommended to check if their substances are considered as existing substances after the expansion of the definitions under K-REACH. This update came into effect immediately.



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