Hydroxyethylidene Diphosphonic Acid (HEDP)
Phosphonate scale and corrosion inhibitor
CAS number
2809-21-4
Industry
Water Treatment
Typical form
Liquid or powder
Also known as: HEDP, etidronic acid.
Typical grades: Industrial grade.
About Hydroxyethylidene Diphosphonic Acid (HEDP)
Hydroxyethylidene diphosphonic acid (HEDP) is a phosphonate that inhibits scale and corrosion and chelates metal ions.
Uses and applications
Water treatment
Scale and corrosion inhibitor for cooling water and boiler systems.
Cleaning and detergents
Chelating agent and peroxide stabiliser in detergents and industrial cleaners.
Textiles
Peroxide stabiliser in bleaching.
Regulatory note and documentation
Regulatory status, permitted use levels and registration requirements vary by country and application. Please confirm requirements for your own product and market before use.
COA, TDS and SDS are available on request. Contact our team for pricing, minimum order quantities and delivery to your location.
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Related products
Amino Trimethylene Phosphonic Acid · Polymaleic Acid · Polyaspartic Acid · Tetrasodium EDTA
