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

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

Model:CAS No. 2809-2
Brand:Shandong Taihe water treatment Chemicals
Origin:Made In China
Category:Chemicals / Organic Chemical Materials / Organic Acid
Label:Organophosphine Ant , Corrosion Inhibitors , HEDP
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Shandong Taihe Chemicals Co., Ltd

Free MemberShan Dong - China
Live Chat:Last Online:02 Jul, 2018

Product Description

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 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 organophosphoric 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.

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. 

 


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Shandong Taihe Chemicals Co., Ltd

10thfloor,Customs Building,No.10,Xinghua Road,Shizhong District,Zaozhuang

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86-632-5112055
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