Molecular formula: C2H8O7P2
Molecular weight: 206.03

CAS NO.:2809-21-4

HEDP is an organophosphorus acid corrosion inhibitor. It can chelate Fe, Cu, and Zn ions to
form stable chelating compounds. It can dissolve the oxidized materials on these metals'
surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250
℃. HEDP has good chemical stability under high PH value, hard to be hydrolyzed, and hard to
be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation
tolerance are better than that of other organophosphorus acids (salt). HEDP can react with
metal ions in water system to form hexa-element chelating complex, with calcium ion in
particular. Therefore, HEDP has good antiscale and visible threshold effects. When built
together with other water treatment chemicals, it shows good synergistic effects

USE :The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts.
Because of its high purity, it can be used as cleaning agent in electronic fields and as additives
in daily chemicals.

PACKING :Packed in 25kg, 250 kg plastic drum, or 1250kg IBC.