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    1. Shandong XinTai Water Treatment Co,.Ltd.

      Organic Phosphonic Acid

      2-Hydroxyphosphonocarboxylic Acid (HPAA)

      CAS No.23783-26-8

      CAS NO.: 23783-26-8           EINECS: 405-710-8           Alias: HPA

      Structural Formula:

      Properties:                   

      HPAA has good chemical stability, hard to be hydrolyzed, hard to be destroyed by acid or alkali, safe and reliable in use, no toxicity, no pollution. HPAA can improve zinc solubility, with strong corrosion ability. Its corrosion inhibition ability is 5 to 8 times higher than that of HEDP or EDTMPS. When built with low molecular polymers, its corrosion inhibition effect is even better.

      Specification:

      items

      index

      Appearance

      Dark umber transparent viscous liquid

      Solid content %

      50  min

      Phosphorous acid (as PO33-) %

      4.0 max

      Density (20℃) g/cm3

      1.30 min

      pH (1% solution)

      1.0-3.0

      Usage:

      HPAA is mainly used as cathode corrosion inhibitor for metals, in cooling water systems of steel & iron, petrochemcal, power plant and medical industries. When built with zinc salt, the effect is even better.

      Packing and Storage:

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

        Update: 2015/2/2 10:30:12 Views:2989

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