HEDP HEDPNA2 HEDPNA4 HEDP90% HEDP60% Water treatment chemical

HEDP HEDPNA2 HEDPNA4 HEDP90% HEDP60% Water treatment chemical


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dongfang
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Keyword
antiscalant, corrosion inhibitor, hedp, water treatment chemical
Category
Catalyst & Chemical Auxiliaries
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zouping dongfang chemical industry co.,ltd

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China China /
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Product name HEDP HEDPNA2 HEDPNA4 HEDP90% HEDP60% Water treatment chemical Certification -
Category Catalyst & Chemical Auxiliaries Ingredients -
Keyword antiscalant , corrosion inhibitor , hedp , water treatment chemical Unit Size -
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Product Information

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

Manufacturers, China HEDP Suppliers, China HEDP Exporters

manufactures and supplies HEDP Chelation,iron chelation agent, Sequestering Agent. HEDP Chelation, iron chelation agent, sequestering agents HEDP Chelation / Sequestering Agent,

CAS No.:: 2809-21-4 

Another name: Dequest 2010

Molecular Formula: C2H8O7P2                

 

Molecular weight: 206.02 

Structural Formula: 

 

Product performance: 

HEDP is an organic phosphonic acid corrosion inhibitor, can form into stable complex compound through chelating with Fe、copper、zinc and other metal ions, and can dissolve the oxides on the metals’ surfaces.

It can play a good role at scale and corrosion inhibition under 250℃, is also stable under high PH value, not easily to be dissolved and not easily to be resolved under thermal condition. When it is used complex together with other water treatment chemicals, will express ideal synergistic effect.

Specification: 

Item

Index

Appearance

Colorless or light yellow clear liquid

Active content (HEDP)%≥

50.0

60.0

Phosphorous acid (as PO33-)%≤

2.0 

0.5 

Phosphonic acid  (asPO43- )%≤

0.8

0.8 

Chloride (as Cl-)%≤

PH value (1% water solution)

2

2

Density  (20℃) g/cm3≥

1.34

1.40

Calcium chelate value mg/g≥

450

500

Range of application:

HEDP is widespread used as scale and corrosion inhibition in industrial circulating cooling water systems、low-pressure boilers、oilfield water injection、pipe laying at the field of electron、chemical industry、metallurgy、fertilizer and so on. In light textile industry, it can be used as metal and nonmetallic’s cleaning agent, peroxide’s stabilizer and color fixing agent in dyeing industry, chelating agent in non-cyanide electroplating. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid dirt dispersion agent. 

Usage:

The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid dirt dispersion agent. 

Package and Storage:

Normally In 30kg or 250kg net Plastic Drum, IBC drum can also be used as required.

Storage for ten months in room shady and dry place. 

 

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zouping dongfang chemical industry co.,ltd

Country / Year Established
China China /
Business type
Others

12

President
ms sun
Address
haosheng town zouping county shandong china
Product Category
Industrial Supplies
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