K-REACH Update: South Korea Publishes Revised Chemical Hazard Evaluations

On April 8, 2025, South Korea issued a notice of administrative announcement on a partial revision on the result of chemical hazard evaluation. This revision is based on the completion of toxicity evaluations for existing chemicals under the K-REACH Act. The revised notice includes details on the chemical substance names, hazard information, whether substances are hazardous, and other relevant results. Additionally, the notice includes the publication of the names of newly evaluated chemical substances after the expiration of their data protection periods. 

Key Changes 

1. Expiration of Data Protection: 

• Following the expiration of the data protection (2023), chemical substance names that were previously protected will now be made public. This includes four substances, with corrections to one item. 

2. Hazard Evaluation of Existing Substances: 

• The hazard evaluation results for 29 substances, conducted between February and June 2024, will be included in Annex 2.  

3. Additional Data for Previously Announced Chemicals: 

• Four additional substances will have their data updated, and 20 substances will be assigned unique identifiers based on toxicity status. 

4. Chemical Substance Details: 

• The notice will include comprehensive details such as CAS numbers, hazard status, and key hazard characteristics for substances that have been evaluated. 

Submission of Comments 

Interested individuals, institutions, and associations are invited to submit their feedback on the proposed changes by April 28, 2025. Comments should be addressed to NICS and should include details such as the subject of the feedback, contact information, and the reasons for any suggested revisions.