On 3 November 2023, ECHA started a 45 day public commenting period on 4 testing proposals for the following substances:

1. 1,2,3,6-tetrahydromethyl-3,6-methanophthalic anhydride

2. Lithium chloride

3. Esterification products of fatty acids, C18 (unsaturated) alkyl and adipic acid with pentaerythritol