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  • Ethylene Diamine Tetra Sodium (EDTMPS)
       
  Post Time： 2008-09-05  
  Expiry Date： 2009-08-31  
  Category： > Energy > Water Treatment  
  Keywords： Water  Treatment  Chemical  corrosion  inhibitors  
  • Details
  • Ethylene Diamine Tetra(Methylene Phosphonic Acid)Sodium (EDTMPS)
    CAS No. 1429-50-1 Dequest: 2040
    Molecular Formula: C6H12O12N2P4Na8
    Molecular weight: 612.13

    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 chemical stability and thermal tolerance. It shows excellent scale inhibition ability under temperature 200. It can dissociate into 8 positive-negative ions, thus can chelate with many metal ions to form polymer reticulation complex, to destroy the normal crystallization of calcium scale. EDTMPS shows better antiscale effects to calcium sulfate and barium sulfate.

    Specification:
    items index
    Appearance Clear yellow to umber transparent liquid
    Active component (EDTMPS)% 30.0min
    Organic phosphonic acid (asPO43- )% 10.0min
    Phosphorous acid (as PO33-)% 5.0max
    Phosphoric acid (asPO43- )% 1.0max
    pH (1% water solution) 9.5-10.5
    Density g/cm3 1.25min
    Chloride (as Cl-)% 3.0max

    Usage:
    EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt.

    Package and Storage:
    Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

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Company Name︰ Shandong TAIHE water treatment Co., Ltd.  
Company Address︰ Xiwangzhuang Town, Shizhong District  
Tel︰ 086-0632-5113066  
Fax︰ 086-0632-3460156  
Contact︰ Amy Sun ( )  
Mobile︰ 086-013963261506  
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  • Copmany Name: Shandong TAIHE water treatment Co., Ltd.   Contact: Amy Sun
  • Address: Xiwangzhuang Town, Shizhong District
  • TeL: 086-0632-5113066   Fax: 086-0632-3460156
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