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Water treatment chemicals HPMA

  • Post Date:

    Dec 07,2025
  • Expiry Date:

    Jun 05,2026
  • Detailed Description:

    Cas No. :26099-09-2

    NS-303: HPMA

    Chemical name: Hydrolyzed polymaleic anhydride
    Description: equivalent to FMC抯 Belcor-200
    Specification:
    Appearance: homogeneous orange or orange-brown clear liquid
    Solid content: 48.0% min.
    Number average molecular weight: 300 min.
    Bromine number: 160 mg/g max.
    Density (20癈): 1.18 min.
    PH (1% aqueous solution): 2.0 - 3.0
    Packing: 220 kg drum
    Usage:
    Usually used at a concentration of 2-3ppm together with phosphate, in systems like circulating cooling water, oilfield fill water, crude oil dewatering and inside-the-furnace trace treatment of low-pressure boilers. It has good scaling-prevention and descaling capability with scaling prevention rate of 98%. When it is used with 1-2ppm of zinc salts, it can effectively inhibit corrosion of carbon steel.
  • CAS Registry Number:

    26099-09-2
  • Synonyms:

    ;PolymaleicacidAq;Hydrolysed Polymaleic Anhydride;Hydrolyzed Polymaleic Anhydride;Hydrolized polymaleic anhydride;HPMA;Polymaleic Acid;Water treatment chemicals HPMA;
  • Molecular Formula:

    (C4H4O4)n
  • Molecular Weight:

    ≤2000
  • Molecular Structure:

    26099-09-2 Poly(maleic acid)
  • Hazard Symbols:

     C:Corrosive;
  • Risk Codes:

    R36:;
  • Safety Description:

    S24/25:;
    S28:;
    S36/37/39:;
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