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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 : 2270

        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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