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HEDP.Na2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and CAS No. 7414-83-7Molecular Formula: C2H6O7P2Na2 Molecular weight: 250 Structural Formula: HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, it can dissolve the oxidized materials, it has good scale and corrosion ...