... 1-Diphosphonic Acid.Properties:Dequest 2014 is the potassium salt of Dequest 2010, HEDP·Kx has better dissolution ... ability than that of sodium salt under neutral condition. HEDP·Kx is ... be used in metal corrosion inhibitor, antifouling agent of swimming pool, metal cleaning, volume cleaning, iron ... dry place. (HEDP Kx)Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid