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Shandong XinTai Water Treatment Co,.Ltd.

Top-Quality Manufacturer In Water Treatment Industry

中文

Organic Phosphonic Acid

Ethylene Diamine Tetra(Methylene Phosphonic Acid)Sodium, EDTMPS

    CAS No. 22036-77-7                                                                               Dequest: 2040

    Molecular Formula: C6H12O12N2P4Na8          Molecular weight: 612.13

    Structural Formula:

     

    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) % 

    30.0 min

    Organic phosphonic acid (as PO43- ) %

    10.0 min

    Phosphorous acid (as PO33-) 

    5.0 % max

    Phosphoric acid (as PO43- ) %

    1.0 max

    pH (1% water solution)

    9.5-10.5

    Density (20℃) 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.

    Packing and Storage:

    Normally 250kg net in drum, IBC, or per customers. Storage for ten months in shady room and dry places.

     Keywords: Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium,EDTMPS,EDTMPS China

    Update : 2015/2/2 10:30:40 Hits : 4384

CONTACT Us

    Address: Zhongtai Industrial Park ,Xiwangzhuang Town, Shizhong District, Zaozhuang City, Shandong Province, P.R.C
    Plant Size: Small and Medium-sized
    EXP TEL:0086-632-3461088
    FAX:0086-632-3461077
    E-mail:sales1@xintaiwater.com
    xintaiwater@163.com
    Name: Jin Tsui
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