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HEDP Tetrasodium

High-Performance Scale Inhibitor & Chelating Agent for Water Treatment and Industrial Applications

HEDP Tetrasodium is the tetrasodium salt of 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP), a highly effective organophosphonate used for scale inhibition, corrosion control and metal-ion sequestration in a wide range of industrial applications.

It offers excellent stability and performance across demanding operating conditions and is widely used in industrial water treatment, cooling-water systems, boilers, reverse osmosis systems, detergents, industrial cleaning and other specialty chemical formulations.

Key Features

  • Excellent Scale Inhibition – Helps control the formation of mineral deposits and scale
  • Corrosion Control – Supports corrosion-control programs in suitable water-treatment systems
  • Strong Chelating Performance – Effectively binds selected metal ions
  • High Thermal Stability – Suitable for demanding industrial operating conditions
  • Good Chemical Stability – Maintains performance across a broad range of applications
  • Wide Industrial Use – Suitable for water treatment, cleaning and specialty formulations
  • Effective Deposit Control – Helps minimize unwanted mineral deposition on equipment and surfaces
  • Reliable Performance – Suitable for continuous industrial water-treatment applications

    Technical Specifications

    Product InformationValueTechnical InformationValue
    Product NameHEDP TetrasodiumChemical NameTetrasodium 1-Hydroxyethylidene-1,1-Diphosphonate
    AbbreviationHEDP-Na₄CAS No.3794-83-0
    Molecular FormulaC₂H₄Na₄O₇P₂Molecular Weight294.02
    AppearanceAs per product specificationPhysical FormLiquid / Solution*
    Active ContentAs per product specificationpHAs per product specification
    ApplicationWater Treatment & IndustrialPackagingStandard & Customized Options

    *Use the actual physical form supplied by Kriprix.

    Important: HEDP Tetrasodium specifications can vary by grade and concentration. Before publishing, confirm Kriprix’s actual active content, pH, density, appearance and concentration from its product specification/COA.

    Applications

    HEDP Tetrasodium is used across industries where scale control, corrosion management and metal-ion sequestration are required.

    Industrial Water Treatment

    Used in water-treatment programs to help control mineral scale and deposits in industrial water systems.

    Cooling Water Systems

    Helps inhibit scale formation and supports deposit control in cooling towers and recirculating cooling-water systems.

    Boiler Water Treatment

    Used in suitable boiler-water treatment programs to help control scale-forming deposits and maintain system efficiency.

    Reverse Osmosis Systems

    Used as an antiscalant component in selected membrane-treatment applications to help reduce mineral scaling on RO membranes.

    Detergents & Cleaning Products
    Used as a sequestrant and water-treatment additive in industrial cleaning and detergent formulations to help control metal ions and hardness.
    Industrial Cleaning

    Suitable for formulations designed to remove or control mineral deposits and metal-ion interference during industrial cleaning processes.

    Textile Industry

    Used in selected textile-processing formulations to control metal ions and water hardness that may interfere with processing.

    Pulp & Paper

    Can be used in pulp and paper processing where control of metal ions and scale-forming components is required.

    Oil & Gas

    Used in selected oilfield and process-water applications where scale inhibition and metal-ion control are required.

    Specialty Chemical Formulations

    Used as an active ingredient or functional additive in specialty formulations requiring scale inhibition, sequestration or corrosion-control properties.

    Why Choose HEDP Tetrasodium?

    Step 1

    Effective Scale Control

    Helps inhibit the formation and growth of mineral scale and deposits in industrial water-treatment systems.

    Step 2

    Corrosion & Metal-Ion Control

    Supports corrosion-control programs and helps sequester selected metal ions that can interfere with industrial processes.

    Step 3

    Stable Industrial Performance

    Offers good chemical and thermal stability, making it suitable for demanding water-treatment and industrial applications.

    Step 4

    Versatile Applications

    Suitable for cooling water, boiler treatment, RO systems, detergents, industrial cleaning and specialty chemical formulations.

    Packaging & Supply

    HEDP Tetrasodium can be supplied in suitable industrial packaging according to customer requirements. Packaging, concentration, quantity and supply options can be discussed based on the application and order requirements.

    Packaging: Standard and customized options available
    Supply: Regular and bulk industrial requirements
    Documentation: Product specifications and technical documentation available upon request

    Handling & Storage

    Store HEDP Tetrasodium in a cool, dry and well-ventilated area, protected from direct sunlight and extreme temperatures. Keep containers tightly closed when not in use.

    Handle the product according to the applicable Safety Data Sheet (SDS) and recommended workplace chemical-handling procedures.

    Frequently Asked Questions

    What is HEDP Tetrasodium?

    HEDP Tetrasodium is the tetrasodium salt of 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP). It is an organophosphonate commonly used for scale inhibition, metal-ion sequestration and corrosion-control applications.

    What is HEDP Tetrasodium used for?

    It is used in industrial water treatment, cooling-water systems, boiler treatment, RO systems, detergents, industrial cleaning, textile processing, pulp and paper and other specialty chemical applications.

    What is the difference between HEDP and HEDP Tetrasodium?

    HEDP is the acid form, while HEDP Tetrasodium is its tetrasodium salt. The different forms can offer different solubility and formulation characteristics depending on the intended application.

    Is HEDP Tetrasodium used as a scale inhibitor?

    Yes. It is widely used as an organophosphonate scale inhibitor in suitable industrial water-treatment formulations.

    Can HEDP Tetrasodium be used in RO systems?

    Suitable grades can be used as part of antiscalant formulations for reverse osmosis systems. Selection and dosage should be based on the water chemistry, membrane system and product specifications.

    Do you supply HEDP Tetrasodium in bulk?

    Yes. Bulk supply and packaging options can be discussed based on quantity, concentration, application and customer requirements.

    Looking for a Reliable HEDP Tetrasodium Supplier?

    Talk to our team for product specifications, concentration, packaging options, bulk requirements and commercial enquiries.