What regulatory guidelines apply to 2-Amino-5-chloro-4-ethylbenzenesulfonic acid (CAS: 88-56-2)?

2-Amino-5-chloro-4-ethylbenzenesulfonic acid (CAS: 88-56-2) is regulated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), REACH in the European Union, and by the FDA and EPA in the US. It falls under GHS category 2 for skin corrosion/irritation and category 2 for serious eye damage/eye irritation. Compliance with REACH requires notification and registration for suppliers above a certain tonnage. In the US, it is subject to reporting requirements under the Toxic Substances Control Act (TSCA).