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    Shandong XinTai Water Treatment Co,.Ltd.

    Top-Quality Manufacturer In Water Treatment Industry

    中文

    Organic Phosphate Salts

    Tetra sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na4)

      CAS No. 29329-71-3 (x-Na),  3794-83-0 (4-Na)    Dequest: 2016/2016DG

      Molecular Formula: C2H4O7P2Na                    Molecular weight: 294

      Structural Formula:

      Properties:

      Dequest 2016 is the sodium salt of Dequest 2010, HEDP•Na4 is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.

      The solid HEDP•Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250.

      HEDP•Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent. 

      Specification:

      items

      index

      Appearance

      White powder

      Colorless to light yellow transparent liquid

      Active component (HEDP) % 

      56.0 min

      20.3-21.7

      Active component )HEDP•Na4) %

      79.9 min

      29.0-31.0

      Total phosphoric acid (as PO43-) %

      52.0-54.0

      18.4-20.4

      Fe ppm

      35.0 max

      20 max

      Dry weight loss, %

      15 max

      --

      Density (20℃) g/cm3

      --

      1.26-1.36

      PH

      11.0-12.0 (1% water solution)

      10.0-12.0 (as it)

       

      Packing and Storage:

      For liquid: Normally 250kg net in drum, IBC, or per customers. For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in shady room and dry places.

      Safety Protection:

      Weak acidity, Avoid contact with eye and skin, once contacted, flush with water immediately. 

      Update : 2015/2/2 10:28:25 Hits : 2617

    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
    Baidu
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