1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

CAS No. 2809-21-4      Molecular Formula: C2H8O7P2       Molecular weight: 206.02 Structural Formula   Properties: HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with 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 … Read more

EDTMPS(Ethylene Diamine Tetra)

Edtmps CAS No.22036-77-7       Molecular Formula: C6H12O12N2P4Na8      Molecular weight: 612.13 Structural Formula: Edtmps Properties: EDTMPS is nitrogenous organic polyphosphonic acid, a part of cathodic corrosion inhibitor.Its corrosion inhibition is 3~5 times better than that of inorganic polyphosphate. It can be fully dissolved in water, innocuous and none pollution to environment, has good … Read more