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  • 60 1 Hydroxy Ethylidene Diphosphonic Acid As Scale And Corrosion Inhibition - China

    price: contact company for price

    Hydroxy Ethylidene- 1, 1- Diphosphonic Acid ( HEDP)

    CAS No. 2809- 21- 4

    Molecular Formula: C2H8O7P2 Molecular weight: 206.02

    HS NO: 2931900090

    UN NO. 3265

    Properties:

    HEDP is an organophosphoric acid corrosion inhibitor. It can

    chelate with Fe, Cu, and Zn ions to form stable chelating

    can dissolve the oxidized materials on these metals’

    surfaces. HEDP shows excellent scale and corrosion

    inhibition effects under temperature 250℃ .

    Specification:

    Items Index

    Appearance Clear, Colorless to pale yellow aqueous

    solution

    Active content ( HEDP) % 58.0- 62.0

    Phosphorous acid ( as PO33- ) % 1.0 max

    Phosphoric acid ( asPO43- ) % 0.6 max

    Chloride ( as Cl- ) ppm 100.0 max

    pH ( 1% solution) 2.0 max

    Density ( 20℃ ) g/ cm3 1.43- 1.47

    Fe, mg/ L 10.0 max

    Colour APHA ( Hazen) 30.0 max

    Acetic acid % 0.5 max

    Ca sequestration ( mg CaCO3/ g) 500.0 min

    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.

    Package: 200L plastic drum, IBC( 1000L) , and as customers’

    requirement.


    Company Contact:


    • Phone: 862131037310

    • Address: No. 345 Jinxiang Road, Jinqiao,Shanghai, Shanghai, China

    • Email: Email


    Published date: June 9, 2014 -

    • Business Description: Twin International Co., Limited is a modern enterprise for

      production,sale, export and trade of chemicals.Twin International,one of

      the biggest manufacturer and exporter of water treatment chemicals and

      pharmaceutical intermediates such as: Aluminum Chlorohydrate(ACH), Amino

      acids, KBR,PBTC,TCCA,SMFP,ATMP,SAP,PAA,AA/AMPS,Plant extract

      oils(TTO),TDI 80/20,etc.

      Our company located in famous maritime Centre and financial Centre Shanghai, China.

      Why Twin???

      . TOP 10 Chemical enterprises in China

      . Over 12 years of experience

      . Wholly owned production plant (48500 square meters)

      . Sales to more than 76 countries

      . 10 main products with competitive prices

      . High quality products with perfect service

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