What regulatory guidelines apply to 4,4'-(1,2-Ethynediyl)dipyridine (CAS: 73564-69-9)?

4,4'-(1,2-Ethynediyl)dipyridine (CAS: 73564-69-9) must comply with the Classification, Labelling, and Packaging (CLP) Directive in the European Union, and the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) worldwide. In the United States, it falls under the jurisdiction of the Occupational Safety and Health Administration (OSHA), Environmental Protection Agency (EPA), and the Food and Drug Administration (FDA) for workplace safety, environmental impact, and health considerations. Additionally, it is regulated under REACH in the EU for registration, evaluation, authorization, and restriction of chemicals.