Hydroxy Eethylidene Diphosphonic Acid (HEDP)

HEDP also known as etidronic acid shows multifunctional properties that includes scale inhibition and corrosion inhibition. It can chelate metal ions like Fe, Cu and Zn. It shows good chemical stability under high pH value. Furthermore, it is difficult to hydrolyze and decompose under ordinary light and heat conditions.

Description

Structure Formula:

HEDP also known as etidronic acid shows multifunctional properties that includes scale inhibition and corrosion inhibition. It can chelate metal ions like Fe, Cu and Zn. It shows good chemical stability under high pH value. Furthermore, it is difficult to hydrolyze and decompose under ordinary light and heat conditions.

HEDP is used in several end use applications that include detergents, paper and personal care, oilfield, textile, water treatment. Furthermore, it can be used for formulating RO membrane antiscalants, thermal desalination antiscalants, formulation for treating sterilizers etc. It can be used directly also for such applications.

Specifications:

Parameter Product details
Appearance Clear Colourless to Pale yellow aqueous solution
Physical State Aqueous Solution
Active Content 60% (as Acid)
Specific Gravity @ 25oC 1.44
pH of 1% Solution @ 25oC <2
Freezing Point oC -25
Chloride as Cl <0.01%
Iron (Fe) PPM <10

These are typical values mentioned here. Please contact us for latest product specification.

Alternate Name/Synonyms:

HEDP(A);HEDPA;
Etidronic acid;
1-Hydroxy Ethylidene-1,1-diphosphonic acid;
Hydroxyethylidene-1,1-diphosphonic acid (HEDP);
1-Hydroxyethylidenediphosphonic acid;
Hydroxyethylidene diphosphonic acid (HEDP);