HEDP

It is mainly used as a Scale & Corrosion Inhibitor, chelating ,deflocculating agent in Cooling and Boiler water treatment.

1-Hydroxyethylidene-1,1-Diphosphonic acid
HEDP
CAS No. 2809-21-4
Abbreviation: HEDP
Molecular weight: 206
Structural Formula

SPECIFICATIONS:
items
index
Appearance
Colorless or light yellow transparent liquid
White crystal powder
Active content (HEDP)%
58.0-62.0
90.0 min
Phosphorous acid (as PO
3
3-)
%
2.0 max
0.5 max
Phosphoric acid (asPO
4
3-
)%
0.8 max
0.5 max
Chloride (as Cl
-
)%
0.01 max
0.01 max
pH (1 solution)
2 max
2 max
Density (20)g/cm
3
1.430 - 1.460
-
Fe ion ppm
10 max
20 max
APPLICATIONS:
It is mainly used as a Scale & Corrosion Inhibitor, chelating (Sequestrating), deflocculating agent in Cooling and Boiler water treatment, Textile Dying, Detergents etc.
Packing:
Normally In 250kg net Plastic Drum, IBC's can also be used as required..HEDP is available with lower Chloride level, lower Iron level, lower Arsenic level