CAS No: 2809-21-4 1-Hydroxyethylidene-1 1-Diphosphonic Acid
CAS No: 2809-21-4 1-Hydroxyethylidene-1 1-Diphosphonic Acid
CAS No: 2809-21-4 1-Hydroxyethylidene-1 1-Diphosphonic Acid

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CAS No: 2809-21-4 1-Hydroxyethylidene-1 1-Diphosphonic Acid

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Model No. : HEDP 60% liquid
Brand Name : Hensan
10yrs

changzhou, jiangsu, China

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Product description

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

CAS No: 2809-21-4 1-Hydroxyethylidene-1 1-Diphosphonic Acid HEDP 60% Liquid

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

Ca sequestration (mg CaCO3/g)

500.0 min

Competitive Advantage:

  1. Our product has high quality and competitive price.
  2. We are a leading company with many years’ experience in chemical products export business. And we also has our own trade company.
  3. We have our principle as “ Clients’ needs come first”.
  4. We enjoy a good reputation internationally in the circle of chemical.

Synonyms:

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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