What regulatory guidelines apply to samarium(+2) cation trihydroxide (CAS: 20403-06-9)?

Samarium(+2) cation trihydroxide (CAS: 20403-06-9) falls under the category of chemical substances that require adherence to various regulatory guidelines such as the REACH regulations in the European Union, which mandates safety data sheets (SDS), risk assessments, and registration requirements. In the United States, it is subject to FDA and EPA regulations for the handling and disposal of hazardous materials. Additionally, it must comply with OSHA standards for workplace safety.