... Acid Dequest 2014 Molecular Formula: C2H8-xO7P2Kx (HEDP Kx)Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid. ... Properties:Dequest 2014 is the potassium salt of Dequest 2010, HEDP·Kx has better dissolution ... metal cleaning, volume cleaning, iron dust controlling, metal pretreatment, low pressure boiler water treatment and circulating water treatment, etc. Specification ...