On 27 March 2023, the following substances had a Harmonised Classification and Labelling (CLH) proposal submitted:

1. Methyl isothiocyanate

2. L-p-mentha-1(6),8-dien-2-one

3. 1-amino-4-hydroxy-2-phenoxyanthraquinone

This brought the number of submitted CLH intentions to 65.