Shandong Taihe Water Treatment Co. Ltd
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  • HEDP
       
  Model： xxxxxx  
  Origin： China  
  Category： > Chemicals > Chemicals Agents  
  Keywords： HEDP  watertreatmentchemic  phosphonic acid   antiscalant  chelant  corrosion inhibitor  
  Price： Chinese Yuan　/PCS　L/C  
  Min. Order： 0 / PCS  
  • Product Description
  • 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

    CAS No. 2809-21-4 Dequest:2010

    Molecular Formula: C2H8O7P2
    Molecular weight: 206.02
    Properties:
    1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (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.
    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.

    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 (as 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 (20℃)g/cm3 1.40 -
    Fe ion ppm 10 max 20 max
    Colour APHA (Hazen) 40 max -

    Usage:
    1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc
    Package :
    HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.




           
  • Contact Information of this Company
Company Name︰ Shandong Taihe Water Treatment Co. Ltd  
Company Address︰ Xiwangzhuang town, Shizhong district, Zaozhuang city, Shandong Province, P. R. China  
Company Phone︰ 86-632-5113066  
Company Fax︰ 86-632-5112055  
Contact Person︰ claire ( sales )  
Mobile︰ 86-5112055  
Website︰ http://www.thwater.net  
         
  • Copmany Name: Shandong Taihe Water Treatment Co. Ltd   Contact: claire
  • Address: Xiwangzhuang town, Shizhong district, Zaozhuang city, Shandong Province, P. R. China
  • TeL: 86-632-5113066   Fax: 86-632-5112055
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