Recently, the Republic of Korea's Ministry of Climate, Energy and Environment (MCEE, formerly the Ministry of Environment), pursuant to Article 42 (Disclosure of Chemical Substance Information) of the Act on the Registration and Evaluation of Chemicals (K-REACH) and Article 51 (Disclosure of Chemical Substance Information, Etc.) of its Enforcement Rule, updated and released the pre-registration (sajeon-singo) results list for existing chemical substances for the second quarter of 2026 (data as of June 30, 2026).

According to the list, as of June 30, 2026, a total of 17,723 existing chemical substances (counted by KE No., the Korea Existing Chemicals Inventory number) hold valid pre-registration records. The disclosed information covers company-reported manufacture/import tonnage bands, CMR (carcinogenic, mutagenic, or toxic to reproduction) status, and consumer-use status, among other items.

The tonnage band distribution is as follows:
1–10 t/year: 6,877 substances
10–100 t/year: 6,883 substances
100–1,000 t/year: 2,442 substances
≥1,000 t/year: 1,521 substances

Under K-REACH, existing chemical substances manufactured or imported in quantities of ≥1 tonne per year are subject to pre-registration, and must subsequently complete formal registration in phases, with deadlines determined by their tonnage band.

57 substances were added to the K-REACH Pre-registration List

In February 2026, the Republic of Korea's Ministry of Climate, Energy and Environment (MCEE, formerly the Ministry of Environment), pursuant to Article 42 (Disclosure of Chemical Substance Information) of the Act on the Registration and Evaluation of Chemicals (K-REACH) and Article 51 (Disclosure of Chemical Substance Information, Etc.) of its Enforcement Rule, disclosed the results of pre-registration (sajeon-singo) of existing chemical substances and released the latest update of the K-REACH pre-registration substance list.

According to the list, as of the end of 2025, a total of 17,666 existing chemical substances (counted by KE No., the Korea Existing Chemicals Inventory number) hold valid pre-registration records. The disclosed information covers company-reported manufacture/import tonnage bands, CMR (carcinogenic, mutagenic, or toxic to reproduction) status, and consumer-use status, among other items.

The tonnage band distribution is as follows:
1–10 t/year: 6,811 substances
10–100 t/year: 6,863 substances
100–1,000 t/year: 2,468 substances
≥1,000 t/year: 1,524 substances

Under K-REACH, existing chemical substances manufactured or imported in quantities of ≥1 tonne per year are subject to pre-registration, and must subsequently complete formal registration in phases, with deadlines determined by their tonnage band.

87 substances were added to the K-REACH Pre-registration List

46 substances were added to the K-REACH Pre-registration List

31 substances were added to the K-REACH Pre-registration List

239 substances were added to the K-REACH Pre-registration List

K-REACH pre-registration list is available.

Update History