What regulatory guidelines apply to 1-Ethylnaphthalene (CAS: 1127-76-0)?

1-Ethylnaphthalene (CAS: 1127-76-0) falls under the scope of various regulatory guidelines, including the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), REACH regulations in the European Union, and FDA/EPA guidelines for hazardous materials. The GHS classifies it as a flammable liquid, and REACH regulations require manufacturers and importers to register it if they produce or import one tonne or more per year. EPA regulations may also apply, especially for its use and disposal in the United States.