On 4 March 2024, ECHA started a 60 day public commenting period on the Harmonised Classification and Labelling (CLH) proposals for the following substances:

1. 2-(2H-benzotriazol-2-yl)-p-cresol

2. 2-ethylhexyl (2E)-3-(4-methoxyphenyl)acrylate

3. Benzenamine, N-phenyl-, reaction products with 2,4,4-trimethylpentene

4. Reaction products of diphenylamine with nonene, branched