On 24 January 2023, the following substances were notified to the Registry of Intentions for Harmonised Classification and Labelling (CLH) proposals:

1. Bronopol

2. 2-amino-2-methylpropanol

3. Methyl isothiocyanate

4. 1-amino-4-hydroxy-2-phenoxyanthraquinone

This brought the number of current CLH intentions to 56.