What regulatory guidelines apply to 4-methyl-2,1,3-benzoxadiazole (CAS: 29091-40-5)?

4-methyl-2,1,3-benzoxadiazole (CAS: 29091-40-5) is subject to various regulatory guidelines. Under the Globally Harmonized System (GHS), it is classified as a skin irritant and requires appropriate labeling. In Europe, it falls under REACH regulations, which require manufacturers and importers to register substances with the European Chemicals Agency. For FDA and EPA compliance, specific handling and storage instructions are recommended to ensure environmental safety and worker protection.