What regulatory guidelines apply to (2E)-2-Butenedinitrile (CAS: 764-42-1)?

The (2E)-2-Butenedinitrile (CAS: 764-42-1) falls under the GHS classification as a flammable liquid and requires proper labeling, handling, and storage as per the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). In the European Union, it is regulated by REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) and must comply with its notification and registration requirements. The Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) in the US may also have specific requirements for its use and disposal, including hazardous waste management.