What regulatory guidelines apply to F4-TCNQ (CAS: 29261-33-4)?

F4-TCNQ (CAS: 29261-33-4) is classified under the Globally Harmonized System (GHS) as a Category 1A Skin Corrosion/Irritation agent. It falls under the European Union's Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, requiring registration if manufactured or imported in quantities exceeding one tonne annually. Additionally, the U.S. Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) have specific handling and reporting requirements for chemicals with similar properties.