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Low As HEDP Liquid 58% - 62% 1-Hydroxy Ethylidene-1 1-Diphosphonic Acid CAS:2809-21-4

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Title： Low As HEDP Liquid 58% - 62% 1-Hydroxy Ethylidene-1 1-Diphosphonic Acid CAS:2809-21-4 
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Details

Molecular Formula: C2H8O7P2
CAS No.: 2809-21-4
Alias: HEDPA
Molecular Formula: C2H8O7P2
Molecular Weight: 206.02
Structural Formula:

 

Low As HEDP Liquid 58% - 62% 1-Hydroxy Ethylidene-1 1-Diphosphonic Acid CAS:2809-21-4

 

Properties & Use


It is an organic phosphoric acid series antiincrustation corrosion inhibitor. It has good stability in high pH-value conditions; has good resistance to acids/alkali and oxidation.
HEDP is widely used for electrical power, chemical engineering, metallurgy and chemical fertilizer industries.

 

 

Applications:

 

items

index

 

Appearance

Clear, Colorless to pale yellow aqueous solution

 

Active content (HEDP)%

58.0-62.0

 

Phosphorous acid (as PO33-)%

1.0 max

 

Phosphoric acid (asPO43- )%

0.8 max

 

Chloride (as Cl-) ppm

100.0 max

 

pH (1% solution)

2.0 max

 

Density (20)g/cm3

1.43-1.47

 

Fe,mg/L

10.0 max

 

Colour APHA (Hazen)

30.0 max

 

Acetic acid %

0.5 max

&nb
Low As HEDP Liquid 58% - 62% 1-Hydroxy Ethylidene-1 1-Diphosphonic Acid CAS:2809-21-4

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