On 11 September-16 October 2023, ECHA started a 60 day public commenting period on the Harmonised Classification and Labelling (CLH) proposals for the following substances:

1. 2-pyrrolidone

2. [ethane-1,2-diylbis[nitrilobis(methylene)]]tetrakisphosphonic acid

3. [ethylenebis[nitrilobis(methylene)]]tetrakisphosphonic acid, calcium sodium salt

4. [ethylenebis[nitrilobis(methylene)]]tetrakisphosphonic acid, potassium salt

5. [ethylenebis[nitrilobis(methylene)]]tetrakisphosphonic acid, sodium salt

6. Acetophenone

7. Dichloromethane

8. Fluazaindolizine

9. Silver nitrate

10. Thermally treated garlic juice