On 31 July-14 August 2023, ECHA started a 60 day public commenting period on the Harmonised Classification and Labelling (CLH) proposals for the following substances:

1. 3,4-dimethyl-1H-pyrazol-1-ium dihydrogen phosphate

2. 3,4-dimethyl-1H-pyrazole

3. 3,5-dimethylpyrazole

4. 4,4'-methylenediphenol

5. A. Ulexite (CaNaH12(BO3)5.2H2O) [1]; ulexite (CaNaH12(BO3)5.2H2O), calcined [2]

   B. Colemanite (CaH(BO2)3.2H2O) [1]; boron calcium oxide (B6Ca2O11), hydrate (1:5) [2]; colemanite, calcined [3]

   C. Tincalconite (B4Na2O7.5H2O)

6. Bronopol

7. Rape oil