CAS 2809-21-4 1-Hydroxy Ethylidene-1/HEDP

Product Name:1-Hydroxy Ethylidene-1/HEDP
Other Name:1-Diphosphonic Acid/HEDP
Appearance:Colorless to pale yellow aqueous solution
CAS No.: 2809-21-4
HS Code:2931900090
MOQ:1*20'FCL
Package: 25kg pp bag(powder) ;270kg drum(liquid)

Description of 1-Hydroxy Ethylidene-1/HEDP:

HEDP is used as a retardant in concrete, 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

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Features of 1-Hydroxy Ethylidene-1/HEDP:

1.an organo phosphoric acid corrosion inhibitor.

2.can dissolve the oxidized materials on these metals' surfaces.

3.Under 250℃ HEDP shows excellent scale and corrosion inhibition ability.

4. When built together with other water treatment chemicals, it shows good synergistic effects.

Specification of 1-Hydroxy Ethylidene-1/HEDP:


PRODUCT NAME: HEDP 60%

Appearance

Clear, Colorless to pale yellow aqueous solution

White crystal powder

Active content (HEDP)%

60.0 min

90.0 min

Active content (HEDP·H2O)%

-

98.0 min

Phosphorous acid (as PO33-)%

1.0 max

0.8 max

Phosphoric acid (as PO43- )%

0.6 max

0.5 max

Chloride (as Cl-)%

0.01 max

0.01 max

pH (1% water solution)

2.0 max

2.0 max

Density (20℃)g/cm3

1.40 min

-

Fe, mg/L

10.0 max

5.0 max

Colour APHA (Hazen)

10.0 max

-

Ca sequestration (mg CaCO3/g)

500.0 min

-

Application of 1-Hydroxy Ethylidene-1/HEDP:


1.HEDP is used as scale and corrosion inhibition in circulating cool water system,

2.oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..

3.In light woven industry, HEDP is used as detergent for metal and nonmetal.

4.In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;

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Package of 1-Hydroxy Ethylidene-1/HEDP:

Powder: 25KG bag ,  25MT/20'FCL .

Liquid: 270kg drum, 21.6MT/20’FCL

also be packed according to customer's needs.

Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

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Our Factory:

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Certificate:

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