What regulatory guidelines apply to beryllium difluoride (CAS: 7787-49-7)?

Beryllium difluoride (CAS: 7787-49-7) is regulated under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), which requires labeling with the health and environmental hazards. In the European Union, it is also regulated under REACH (Registration, Evaluation, Authorization and Restriction of Chemicals). Additionally, the Food and Drug Administration (FDA) may have specific requirements for its use in pharmaceutical applications, and the Environmental Protection Agency (EPA) may have regulations concerning its disposal and handling.