HEDP-Cooling water treatment, China HEDP-Cooling water treatment Supplier,Factory

HEDP-Cooling water treatment

Henan Qingshuiyuan Technology Co., Ltd. [China]

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