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  • 1 Hydroxy Ethylidene Diphosphonic Acid Hedp Treatment Fertilizer Chelate - China

    price: contact company for price

    CAS No.

    2809-21-4 Dequest: 2010 Molecular Formula: C2H8O7P2 Molecular

    weight: 206.02 Properties: HEDP is an organophosphoric acid corrosion

    inhibitor.

    It can chelate with Fe, Cu, and Zn ions to form stable

    chelating compounds.

    It can dissolve the oxidized materials on these

    metals'surfaces.

    HEDP shows excellent scale and corrosion inhibition

    effects under temperature 250 centigrade degrees.

    HEDP has good

    chemical stability under high pH value, hard to be hydrolyzed, and hard

    to be decomposed under ordinary light and heat conditions.

    Its

    acid/alkali and chlorine oxidation tolerance are better than that of

    other organophosphoric acids (salt).

    HEDP can react with metal ions in

    water system to form hexa-element chelating complex, with calcium ion

    in particular.

    Therefore, HEDP has good antiscale and visible threshold

    effects.

    When built together with other water treatment chemicals, it

    shows good synergistic effects.

    The solid state of HEDP is crystal

    powder, suitable for usage in winter and freezing districts.

    Because of

    its high purity, it can be used as cleaning agent in electronic fields

    and as additives in daily chemicals.

    Specification:

    Appearance: Colorless or light yellow transparent liquid;White crystal

    powder Active content(HEDPᦀ 9;%: 58.0-62.0;89.0 min

    Phosphorous acid(as PO33-)%: 2.0 max;0.5 max Phosphoric

    acid (asPO43- )%: 0.8 max;0.5 max Chloride (as Cl-)%: 0.01

    max;0.01 max pH(1% solution): 2 max;2 max Density

    (20 centigrade degrees)g/cm3: 1.40 ;— Fe ion ppm: 10 max;20

    max Colour APHA (Hazen): 40 max;— Usage: HEDP is used as scale and

    corrosion inhibition in circulating cool water system, oil field and

    low-pressure boilers in fields such as electric power, chemical

    industry, metallurgy, fertilizer, etc.

    In light woven industry, HEDP

    is used as detergent for metal and nonmetal.

    In dyeing industry, HEDP

    is used as peroxide stabilizer and dye-fixing agent; In non-cyanide

    electroplating, HEDP is used as chelating agent.

    The dosage of 1-10mg/L

    is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and

    1000-2000mg/L as detergent.

    Usually, HEDP is used together with

    polycarboxylic acid.

    Package and Storage: HEDP liquid: Normally In

    250kg net Plastic Drum, IBC drum can also be used as required HEDP

    solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag,

    or confirmed by clients.

    Storage for ten months in room shady and dry

    place.

    Safety Protection: Acidity, Avoid contact with eye and skin,

    once contacted, flush with water.

    1 Hydroxy Ethylidene Diphosphonic Acid Hedp

    Thank you in advance for your consideration


    Company Contact:


    • Phone: 13869407330

    • Address: ZhongTai Chemical Industry Park, Dongwangzhuang Vi, Zaozhuang , China

    • Email: Email


    Published date: September 6, 2012

    • Business Description: ZaoZhuang XinTai Water Treatment Co., Ltd. is the professional water treatment chemicals producer in China, the company sites at the outer ring road of Zao Zhuang City, Shan Dong Province, where has comfortable climate, beautiful scenery and convinent transportation.

      The product families include organic phosphonic series, organic phosphate salt, corrosion inhibitors, chelating agents, dispersants, RO membrane chemicals and etc., covering wide ranges from single to complex agents.

      The products are widely used in circulating water system, boiler and heating water system in fields such as steel & iron, petrochemcal, power plant and medical industries etc.

      To satisfy the need of different fields, some solid products such as organophosphoric acids and their sodium salts are developed recently in our factory, including high pure grade and ordinary grade.

      Some polymer solid products have also been developed.

      To cooperate with our clients for water quality analysis and treatment process planning, we have set up a synthesis and application laboratory, several research projects are done in this laboratory.

      Our Sales characteristics: Pay attention to manufacture of water treatment chemicals, preferably as a workshop of water treatment field.

      Ideal clients: intermediary buyers of water treatment chemicals, not terminal business.

      Free supply services of water quality analysis, prescription screening, operation planning draft and spot supervision.

      Supply new product development and trial produce, make trial product on client order.

      Obtain ISO9001: 2000 quality management system certificate, and make sure quality stable.

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