HEDP 60% is a chemical auxiliary agent that has 206.03 molar mass. This substance is used as water treatment chemical. Its melting point ranges between 198 degree C to 199 degree C. It is available in pale yellow or colorless liquid form. Its density is 1.45. HEDP 60% basically acts as organophosphoric acid corrosion inhibitor and it also serves as chelating factor along with zinc, Cu and iron. It has good anti scaling characteristics and it can resist damaging effects of chlorine oxidation.