On 14 November 2022, ECHA started a 60 day public commenting period on the Harmonised Classification and Labelling (CLH) proposals for the following substances:

1. 2,3-epoxypropyl o-tolyl ether

2. 2-bromo-3,3,3-trifluoroprop-1-ene

3. 2-methyl-2H-isothiazol-3-one hydrochloride

4. Flazasulfuron

5. Methyl oct-2-ynoate