2. Used as a chemical reagent and also in organic synthesis

3. Primarily used in the preparation of new bleaches, disinfectants, water treatment agents, resins, coatings, and metal cyanide corrosion inhibitors

4. Used in the synthesis of chlorinated derivatives, trichloroisocyanuric acid, sodium or potassium dichloroisocyanurate; in the synthesis of cyanuric acid-formaldehyde resins, epoxy resins, antioxidants, coatings, adhesives, pesticides and herbicides, metal cyanide corrosion inhibitors, and polymer material modifiers; and in the production of the pharmaceutical halogen trihydroxyzine.