On 14 December 2023, the following substance was notified to the Registry of Intentions for Harmonised Classification and Labelling (CLH) proposals:

1. Strontium neodecanoate; strontium di(acetate); strontium tartrate; strontium oxalate; strontium chloride; strontium nitrate; strontium fluoride; strontium sulphate; strontium carbonate; strontium hydrogen phosphate; strontium hydroxide; strontium bis{5-[bis(carboxymethyl)amino]-3-(carboxymethyl)-4-cyanothiophene-2-carboxylate}

This brought the number of current CLH intentions to 37.