Categories
Application

    1-HydroxyEthylidene-1,1-DiphosPhonic acid (HEDP)

    1-Hydroxyethylidene-1,1-diphosphonic acid is an organic compound with the chemical formula C₂H₈O₇P₂ that is used as a scale inhibitor, chelating agent, and corrosion control agent in various industries. It is used in many industrial processes due to its unique properties, including its ability to form complexes with metal ions and its stability against thermal decomposition.

    Properties of HEDP

    Chelating: HEDP prevents scale formation and corrosion by forming complexes with metal ions such as calcium, magnesium, iron, and copper.
    Thermal stability: HEDP is stable to heat and maintains its chelating properties at high temperatures.
    Compatibility with other chemicals: HEDP is compatible with many other chemicals and can be used in various formulations.
    Environmental friendliness: HEDP is generally environmentally friendly and readily biodegradable.

    HEDP Applications

    Water and Wastewater Industry:
    Water Softener: HEDP reduces water hardness by forming a complex with water hardness ions.
    Anti-scale: Prevents scale formation in boilers, pipes and other water equipment.
    Corrosion Control: Prevents corrosion by forming a protective layer on metal surfaces.
    Oil and Gas Industry:
    Scaling Control: Used in water injection systems to prevent scale formation.
    Corrosion Inhibitor: Used to protect metal equipment from corrosion.
    Paper Industry:
    Scaling Control: Used in paper production systems to prevent scale formation.
    Textile Industry:
    Softener: Used as a softener in the textile industry.
    Pharmaceutical Industry:
    Chelating Agent: Used as a chelating agent in some drugs.

    Advantages of using HEDP

    High efficiency: HEDP is very effective as a scale inhibitor and chelating agent.
    High stability: Stable to high temperatures and pH.
    Environmental compatibility: Generally harmless to the environment.

    Precautions for using HEDP

    Skin and eye contact: Direct contact with HEDP can cause skin and eye irritation.
    Inhalation: Inhalation of HEDP vapors can cause respiratory problems.
    Storage: HEDP should be stored in closed containers in a cool, dry place.

    product image

    1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP)