What regulatory guidelines apply to Samarium(3+) acetate hydrate (CAS: 17829-86-6)?

Samarium(3+) acetate hydrate (CAS: 17829-86-6) falls under the scope of the REACH regulations for chemical substances. It also requires adherence to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) for hazard communication. In the United States, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) have specific guidelines for the handling and disposal of this compound due to its potential toxicity and reactivity.