South Korea: Substance Preregistration from January 1 – June 30, 2019

The preregistration of substances according to the South Korean chemicals law (K-REACH) has been available since the beginning of the year. The regulation requires that manufacturers and importers have substances preregistered by June 30. The obligation applies to chemicals manufactured or imported between 2016 and 2018 in a quantity of at least one ton.

Once the preregistration period ends, the following windows apply to companies, according to the tonnages involved. Up to:

  • December 31, 2021 for CMR (carcinogenic, mutagenic, and reproduction-toxic) substances >1 ton/year or substances >1,000 tons/year
  • December 31, 2024 for substances >100 tons/year
  • December 31, 2027 for substances >10 tons/year
  • December 31, 2030 for substances >1 ton/year

On-time preregistration is an absolute must for the companies involved to avoid being unable to manufacture or import a substance after July 1, 2019. Violations incur significant penalties. Depending on the severity of the case, five years imprisonment or fines up to €80 million (100,000,000 won) can result.

The preregistration requires the name of the substance, its identity (CAS number), and the desired tonnage.

We have worked with our partners in South Korea for years. We can handle the preregistration and registration of chemicals and maintain the marketability of your products. If you import products into South Korea, please contact us at

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