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1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP)
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1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP)
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1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP)

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China

Model No:

HEDP

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Contact Person Ms. Katherine

Wenhua Road #48, Zaozhuang, Shandong

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Product Specification

Product Description

 

items
index
Appearance
Colorless or light yellow transparent liquid
Active content (HEDP)%
*8.***2.0
Phosphorous acid (as PO**-)%
2.0 max
Phosphoric acid (asPO**-)%
0.8 max
Chloride (as Cl-)%
0.*1 max
pH (1% solution
2 max
Density (*0℃)g/cm3
1.*0
Fe ion ppm
*0 max
Colour APHA (Hazen)
*0 max
HEDP shows excellent scale and corrosion inhibition effects under temperature **0. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects. The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals.

Country: China
Model No: HEDP
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Ms. Katherine < Zaozhuang Fenghe Chemical Co., Ltd. >

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