What regulatory guidelines apply to 4-Methyl-3-pyridinesulfonic acid (CAS: 4808-71-3)?

4-Methyl-3-pyridinesulfonic acid (CAS: 4808-71-3) falls under several regulatory frameworks. Under GHS (Global Harmonized System of Classification and Labelling of Chemicals), it may be classified as a corrosive substance. REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) regulations may apply for its production and import into the EU, requiring registration if the substance is manufactured or imported in quantities exceeding 1 tonne per year. Additionally, FDA (Food and Drug Administration) and EPA (Environmental Protection Agency) regulations may be relevant for its use in food-related applications and environmental considerations, respectively.