What regulatory guidelines apply to 4-Hydroxy-3-methylbenzenesulfonic acid (CAS: 7134-04-5)?

4-Hydroxy-3-methylbenzenesulfonic acid (CAS: 7134-04-5) is regulated by various authorities, including GHS (Global Harmonized System of Classification and Labelling of Chemicals) for classification and labelling. Under REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) in the EU, it requires registration if manufactured or imported at quantities exceeding 1 ton per year. In the USA, it is regulated by the FDA for specific industrial uses and the EPA for environmental protection and disposal.