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Hydroxy Ethylidene-1, 1-Diphosphonic Acid HEDP

Usage of HEDP:

HEDP is widely used in industry as a sequestering agent and calcium carbonate scale inhibitor, applying for cool water system, oil field and low-pressure boilers in fields like electric power, chemical industry, metallurgy, fertilizer, etc

Specification:

ItemIndexIndex
AppearanceColorless or light yellow transparent liquidWhite crystal powder
Active content(HEDP)%58.0-62.089.0 min
Phosphorous acidS(as PO33-)%2.0 max0.5 max
Phosphoric acidS (asPO43- )%0.8 max0.5 max
Chloride (as Cl-)%0.01 max0.01 max
PH(1% solution)2 max2 max
Density (20ºC)g/cm31.40--
Fe ion ppm10 max20 max
Colour APHA (Hazen)40 max--

CAS-2809-21-4--HEDP (1).jpgHEDP-1.jpg


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