Etidronic Acid 60% Aqueous Solution Cas No: 2809-21-4

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Details:

1.Colorless or light yellow transparent liquid , White crystal powder
2.Purity of HEDP: 58-60% liquid or 89% powder
3.Used together with polycarboxylic acid.

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Description

Technical Parameters

HEDP

Etidronic acid 60% aqueous solution is an organic phosphonic acid corrosion inhibitor, can dissociate into five positive and negative ions in the water, can chelate Divalent metal ions in the water, and iron, copper, aluminum, zinc and other metal ions forming a stable complex, has a good scale effect.

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

Introduction

Appearance:Colorless to pale yellow aqueous solution

Molecular formula: C₂H₈O₇P₂

Molecular weight: 206.03

CAS No.:2809-21-4

HS No.: 2942000000

Feature:

1.Colorless or light yellow transparent liquid , White crystal powder.

2.Purity of HEDP: 58-60% liquid or 89% powder.

3.Used together with polycarboxylic acid.

Technical Specification

Item	Index	Index
Appearance	Colorless or light yellow transparent liquid	White,crystal,powder
Active,content(HEDP)%	58,0-62,0	89,0,min
Phosphorous,acid(as,PO₃₃-)%	2,0,max	0,5,max
Phosphoric,acid,(asPO₄₃-,)%	0,8,max	0,5,max
Chloride,(as,Cl-)%	0,01,max	0,01,max
PH(1%,solution)	2,max	2,max
Density,(20℃)g/cm³	1.40	-----
Fe,ion,ppm	10,max	20,max
Colour,APHA,(Hazen)	40,max	-----

Application

1. Etidronic acid 60% aqueous solution(HEDP) is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.

2. used as detergent for metal and nonmetal in light woven industry.

3. Etidronic acid 60% used as peroxide stabilizer and dye-fixing agent, dyeing industry,

4. Etidronic acid 60% is used as chelating agent in non-cyanide electroplating.

Packing

25kg bag, 200kg/drum or according to customer request

HEDP HEDP

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