On 11 April 2023, ECHA’s Public Activities Coordination Tool (PACT) was updated with the following new intentions for Assessment of regulatory needs (ARN):

1. Yttrium(3+) acetate

2. Yttrium trinitrate

3. Yttrium trifluoride

4. Yttrium oxide (Y2O3), europium-doped

5. Yttrium oxide

6. Yttrium chloride hexahydrate

7. Yttrium

8. Ytterbia stabilised yttrium disilicate

9. Pentaaluminium triyttrium dodecaoxide

10. Diyttrium tricarbonate

11. Cerium doped lutetium yttrium orthosilicate

12. Acrylic acid

This update brought the number of PACT ARN and Hazard assessment substances to 3361.