On 14 May 2024, ECHA started a 45 day public commenting period on 6 testing proposals for the following substances:

1. Menthol

2. N,N-dimethylacrylamide

3. N-[3-(dimethylamino)propyl] C6-9 alkyl amides

4. Sodium chlorite

5. Tetramethylammonium hydroxide