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Henan Qingshuiyuan Technology Co., Ltd
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    HEDP

    Quantity Order:
    Origin:
    China
    Payment Method:
    L/C
    Pack. & Delivery:
    250kgs/drum

    Specification :

    Chemical Name: 1-Hydroxyethylidene-1, 1-diphosphonic Acid
    Abbreviation: HEDP( 60min) CAS Number: 2809-21-4
    Molecular Formula: C2H8O7P2
    Molecular Weight: 206
    Application Notes: Noted for its excellent CaCO3 scale inhibition and chlorine stability is based on hydroxyl ethylidene ( 1, 1-diphosphonic acid) and is approved for applications in which boiler steam comes in contact with food.
    Recommended Uses: Cooling water treatment, boiler treatment, I & I Cleaners, swimming pool, stain prevention, metal ion control.
    Specification:
    Appearance Water white to pale yellow liquid
    Active Acid ( % ) 60.0 min
    Phosphorous acid as PO33- ( % ) 2.0 max
    Phosphorous acid as PO43- ( % ) 0.8 max
    Chloride ( as Cl-, % ) 0.5 max
    Sequestrant value ( mgCaCO3/ g ) 500 min
    pH( 1% solution) 2.0 max
    Density at 20° C, g/ cm3 1.440 min
    Iron, as Fe ( ppm) 35.0max
    Colour APHA ( Hazen) 80 max



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