Product Description

Product Name: HEDP Chemical name: 1-Hydroxyethylidene-1,1-Diphosphonic acid Molecular weight 206 CAS No. 2809-21-4 Common Name: Dequest 2010, Briquest ADPA-60AW, Unihib 106 SPECIFICATIONS Appearance Clear, Colorless to pale yellow aqueous solution Active Content 60.0 - 62.0 % Phosphorous acid (as PO33- ) 2.0% max Phosphoric acid (as PO43- ) 0.8% max pH (1% Water Solution) 2.0 max Density (20°C) g/cm3 1.430 - 1.460 Iron 10ppm max Chlorides (as Cl-) 100 ppm max Color (APHA) 30 max. Ca sequestration (mg CaCO3/g ) 480 min Acetic Acid 1.0% max APPLICATIONS: can be wide used for industrial treatment water as corrosion and scale inhibitor, for example boiler water, cyclic cooling water and water of oil field. In addition, it is used as complexing agent in no cyanide electroplating, as metal cleaner and as stabilizer and fixation in blanch and dye industry. As the scale inhibitor ,it can well inhibit the scale of calcium carbonate. The adding weight concentration of active ingredient is 1-10mg/l. It often cooperates with dispersion-scale inhibitor in the use. Package: In 250kg net Plastic Drum IBC's can also be used as required Note: HEDP is available with lower Chloride level, lower Iron level, lower Arsenic level HEDP is also available with its Sodium Salt solution or kalium salt solution