Hedp 1-hydroxy ethylidene-1,1-diphosphonic acid

Product Description

CAS No. 2809-21-4 Molecular weight: 206.02 Molecular Formula: C2H8O7P2 Specification: Appearance:Colorless or light yellow transparent liquid Active content (HEDP)%:58.0-62.0 Phosphorous acid (as PO33-)%:2.0 max Phosphoric acid (asPO43- )%:0.8 max Chloride (as Cl-)%:0.01 max pH (1% solution): 2 max Density (20?)g/cm3:1.40 Fe ion ppm:10 max Colour APHA (Hazen):40 max Usage: When used in circulating cool water system, oil field and low-pressure boilers HEDP is scale and corrosion inhibition while in dyeing industry, peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required Storage for ten months in shady and dry place.

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