62% Etidronic Acid Hedp Boiler Water Treatment Chemicals Cas:2809-21-4

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

 

62% Etidronic Acid HEDP Boiler Water Treatment Chemicals CAS:2809-21-4

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
Ca sequestration (mg CaCO3/g)	500.0 min
As ppm	1ppm; 5ppm; 10ppm

 

 

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.
5. We have three grades of this low As HEDP.

 

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