What regulatory guidelines apply to 2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde (CAS: 84-83-3)?

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde (CAS: 84-83-3) is subject to the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) for classification and labeling. It is also regulated under REACH in the European Union, which requires registration of substances above a certain tonnage. In the USA, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may have specific requirements for handling and use, including reporting and record-keeping.