What regulatory guidelines apply to Acetaldehyde, 2-(2,4-dinitrophenyl)hydrazone (CAS: 1019-57-4)?

Acetaldehyde, 2-(2,4-dinitrophenyl)hydrazone (CAS: 1019-57-4) falls under the regulatory guidelines of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). It is classified as a substance that may cause long-term and possibly irreversible effects. Additionally, it is subject to the European Union's Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulations. In the United States, the Food and Drug Administration (FDA) and the Environmental Protection Agency (EPA) regulate its use and disposal under certain conditions.