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

HEDP low As grade

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Description

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



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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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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.

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Applications:

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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 | ? |
Ca sequestration (mg CaCO3/g) | 500.0 min | ? |
As ppm | 1ppm; 5ppm; 10ppm |
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Competitive Advantage:
# # Our product has high quality and competitive price.
# We are a leading company with many years’ experience in chemical products export business. And we also has our own trade company.
# We have our principle as “ Clients’ needs come first”.
# We enjoy a good reputation internationally in the circle of chemical.
# We have three grades of this low As HEDP.


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Synonyms:

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HEDP;HEDP(A);ETIDRONIC ACID;1-Hydroxy Ethylidene-1,1-Diphosphonic Acid; Hydroxyethylidene-1,1-diphosphonicacid(HEDP); 1-HYDROXYETHYLIDENEDIPHOSPHONIC ACID;Hydroxyethylidene Diphosphonic acid(HEDP); 1-hydroxy-1,1-Ethanediyl ester

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