HEDP (Etidronic acid) 90% 60%

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HEDP (Etidronic acid) 90% 60%

Product name: Etidronic acid; Hydroxyethylidene Diphosphonic acid; HEDP

Assay: 90% or 60%

Appearance: Withe crystal powder

Packaging: 25KG/ bag

Sample: available

Capacity: 5000 Ton/Tons per Month

Application: Scale and corrosion inhibition, detergent, peroxide stabilizer and dye-fixing agent, chelating agent

Category:

Description

HEDP powder

HEDP Appearance

HEDP powder Quick Details

Chemical Name:HEDP

Synonyms: 1-Hydroxyethylidene-1,1-diphosphonic acid

CAS No.: 2809-21-4

Molecular Fomula:C2H8O7P2

Chemical Structure:HEDP Structure

Molecular weight: M=206.03

EINECS No.:220-552-8

Appearance:White crystal

HEDP powder Typical Properties

 

Item HEDP
Appearance Withe crystal powder
Active content(HEDP)% 90.0min
Active content(HEDP.H2O)% 98.0min
Chloride(as Cl-)% 50max
PH (1% solution) 2.0max
Fe,mg/L 5.0max
Phosphoric acid(as PO3³‾) 0.8max
Phosphoric acid(as PO4³‾) 0.5max

 

 

HEDP powder Application

1.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.In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;

3.In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent.

4.Usually, HEDP is used together with polycarboxylic acid.

HEDP powder Packaging and Storage

Packaging:25KG/ bag. Compound cowhide paper bag, lined.

HEDP Package

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