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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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