What regulatory guidelines apply to 1-Phenazinecarboxylic acid (CAS: 2538-68-3)?

1-Phenazinecarboxylic acid (CAS: 2538-68-3) falls under the scope of the REACH regulation in the European Union, which requires registration for substances above a certain tonnage. It also complies with the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), which includes labeling as a non-flammable solid. In the United States, it is regulated by the EPA and FDA for specific use cases. Proper storage and handling should be in accordance with these guidelines to ensure safety and regulatory compliance.