What regulatory guidelines apply to 3-Phenyl-2-propynoic acid (CAS: 637-44-5)?

3-Phenyl-2-propynoic acid (CAS: 637-44-5) is subject to various regulatory guidelines. It is classified under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) as a class 8 corrosive. In the European Union, it falls under the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, requiring suppliers to register the substance and provide safety data sheets. For use in the United States, the Food and Drug Administration (FDA) and the Environmental Protection Agency (EPA) have specific requirements for handling and labeling. These guidelines ensure proper safety, handling, and environmental protection.