What regulatory guidelines apply to Calcium dinitrite (CAS: 13780-06-8)?

Calcium dinitrite (CAS: 13780-06-8) is regulated under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) as a hazardous substance due to its corrosive properties. In the European Union, it falls under the REACH regulation, requiring manufacturers and importers to register substances above a one-tonne threshold. The U.S. FDA and EPA may also require registration and reporting for certain uses, especially in pharmaceutical and agricultural applications.