What regulatory guidelines apply to Germanium telluride (CAS: 12025-39-7)?

Germanium telluride (CAS: 12025-39-7) is subject to various regulatory guidelines. Under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), it is classified as a hazardous substance. In the European Union, it falls under REACH regulations, which require registration and evaluation. Additionally, the U.S. Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may have specific requirements for its handling and use.