HEDP-Cooling water treatment

1. Main manufacturer and supplier in China. 2. Producing the HEDP from yellow phosphorous and liquide chlorine.

Chemical name:1-Hydroxyethylidene-1,1-Diphosphonic Acid(HEDP)

Abbreviation: HEDP(dequest 2010)

Molecular Formula: C2H8O7P2

Molecular Weight: 206

CAS Number: 2809-21-4

 

Application Notes: Noted for its excellent CaCO3 scale inhibition and chlorine stability.

Recommended Uses: Cooling water treatment, boiler treatment, I & I cleaners, swimming pool stain prevention, metal ion control.the same as dequest 2010.

 

Typical Properties:

Appearance Water white to pale yellow liquid Active Acid (%) 60.0 min Phosphorous acid as PO33- (%) 2.0 max Phosphorous acid as PO43- (%) 0.8 max Chloride (as Cl,%) 0.5 max Sequestrant value(CaCO3)mg/g as product at PH 11-12 500 min PH(1% solution)@20°C 2.0 max Density at 20°C,g/cm3 1.440 min Iron, as Fe (ppm): 35.0max Colour APHA (Hazen): 80 max

HEDP-Cooling water treatment