1-Hydroxyethylidene-1,1-Diphosphonic acid [2809-21-4]
Abbreviation: HEDP
MOLECULAR WEIGHT: 206
SPECIFICATIONS:
Appearance |
Clear, Colorless to pale yellow aqueous solution |
Active Content |
58.0 - 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:
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 |
| HEDP is also available with its Sodium Salt solution or kalium salt solution |
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