Hydroxyethylidene Diphosphonic Acid (HEDP) is a highly efficient water treatment agent widely used as a scale and corrosion inhibitor.

CAS Number: 2809-21-4
UN NO.: 3265
EINECS NO.: 220-552-8
Molecular Formula: C2H8O7P2
Purity (%): Liquid 60% and Solid 90%
Appearance: Clear, colorless liquid, white crystal powder
Packing: Liquid: 250kg/ drum, 1.25mt/IBC, or as customers’ requirement.
Solid: 25kg/bag, customers’ requirement.

Use:
Scale and Corrosion Inhibition: HEDP is widely used as a scale and corrosion inhibitor in cooling water systems, boilers, and heat exchangers. It effectively prevents the formation of scale deposits and minimizes corrosion on metal surfaces.

Industrial Cleaning: HEDP is employed in descaling operations to remove scale deposits from equipment, pipes, and surfaces. It is particularly useful in removing scales formed by calcium, magnesium, and iron.

Oilfield Operations: HEDP finds applications in the oil and gas industry for controlling scale deposition and corrosion in drilling fluids, pipelines, and production equipment.

Reverse Osmosis Systems: HEDP is used in reverse osmosis systems to prevent scale formation on membranes, ensuring their optimal performance and longevity.

Household and Institutional Cleaning: HEDP is incorporated into household cleaning products, such as descaling agents and bathroom cleaners, to effectively remove mineral deposits and stains.

Textile Industry: HEDP is utilized in the textile industry as a chelating agent to control metal ions and prevent scale formation in various textile processing operations.

Metalworking: HEDP is employed as a corrosion inhibitor and stabilizer in metalworking fluids to prevent corrosion and improve the performance of cutting and cooling fluids.