What regulatory guidelines apply to 1,3-Diisopropylurea (CAS: 4128-37-4)?

1,3-Diisopropylurea (CAS: 4128-37-4) is classified under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) as a skin and eye irritant. In the European Union, it falls under REACH regulations, which require registration if the substance is manufactured or imported in quantities of 1 ton or more per year. FDA and EPA have specific requirements for its use in the United States, including safety data sheets and handling guidelines.