What regulatory guidelines apply to 2,6-Dichloroindophenol (CAS: 956-48-9)?

2,6-Dichloroindophenol (CAS: 956-48-9) is classified as a hazardous chemical under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). It is subject to REACH regulations in the European Union, which require manufacturers and importers to register substances above a certain tonnage threshold. The U.S. FDA and EPA may also have specific requirements for its handling and use, particularly in food and environmental contexts.