What regulatory guidelines apply to 2,3,4,6-Tetraiodobenzoic acid (CAS: 71463-71-3)?

2,3,4,6-Tetraiodobenzoic acid (CAS: 71463-71-3) is regulated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) as a hazardous substance due to its high iodine content. In the European Union, it is also subject to the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, which requires suppliers to provide safety data sheets and register the substance if it is manufactured or imported in quantities above the threshold. Additionally, FDA and EPA regulations may apply for specific uses in the United States, requiring proper labeling and handling to prevent environmental contamination.