HEDP - Etidronic acid

HEDP - Etidronic acid

Appearance: Clear, Colorless solution

Packaging: 200 litres plastic drums

Molecular Formula: C2H8O7P2


This product is easily soluble in water, soluble in methanol and ethanol. It has a large dissociation constant in water and can form stable complexes with metal ions. It can form a stable adduct with compounds containing active oxygen to keep active oxygen stable. Low toxicity.



  • 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.