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Home » For Buyers » Products » Chemicals » Chemicals Agents
Title

HEDP

HEDP
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Description

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

 

CAS 2809-21-4                                      Dequest:2010

Molecular Formula:   C2H8O7P2                Molecular weight: 206

Structural Formula:

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

Properties:

This product is an organophosphoric acid corrosion inhibitor, It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds, thus it can dissolve the oxidized materials on these metals' surfaces.

Specification:

items index
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content(HEDP)% 58.0-62.0 89.0 min
Phosphorous acid( 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 g/cm3 1.40 —
Ca Chelating value mg/g 500 min —
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 min —

Shandong Taihe Water Treatment Co., Ltd.
Xiwangzhuang town, Shizhong district, Zaozhuang city, Shandong Province, P. R. China

 

Place of Origin China [CN] Currency
Payment Method T/T Minimum Order
Delivery Time Delivery
Packaging Supply Ability
Contact Info
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