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CAS No.: 2809-21-4
Other Names: HEDPA
MF:
EINECS No.:
Place of Origin: China (Mainland)
Brand Name: HY
Model Number:

Specifications

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

SPECIFICATIONS:
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index
Appearance
Colorless or light yellow transparent liquid
White crystal powder
Active content (HEDP)%
58.0-62.0
89.0 min
Phosphorous acid (as PO33-)%
2.0 max
0.5 max
Phosphoric acid  (asPO43- )%
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/cm3
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