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Home > Products >  60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP

60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP CAS NO.2809-21-4

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  • FOB Price: USD 900 /Metric Ton Get Latest Price
  • Min.Order: 1 Metric Ton
  • Payment Terms: L/C,T/T,Western Union
  • Available Specifications:

    60%liquid(1-16)Metric Ton60%liquid(17-32)Metric Ton

  • Product Details

Keywords

  • scale
  • HEDP
  • corrosion

Quick Details

  • ProName: 60% 1-Hydroxy Ethylidene-1,1-Diphospho...
  • CasNo: 2809-21-4
  • Molecular Formula: C2H8O7P2
  • Appearance: liquid
  • Application: HEDP is used as scale and corrosion in...
  • DeliveryTime: within 7days after confirm the order
  • PackAge: 250kg/drum
  • Port: Shanghai
  • ProductionCapacity: 30000 Metric Ton/Month
  • Purity: 60%
  • Storage: Ventilation drying
  • Transportation: sea shipping or air shipping.
  • LimitNum: 1 Metric Ton
  • Impurity: 0.0001%
  • Grade: Industrial Grade

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Details

60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP 

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

CAS No. 2809-21-4 

Molecular Formula:   C2H8O7P2      Molecular weight: 206.02 

HS NO: 2931900090

UN NO. 3265

Properties:

HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. 

Specification:

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- )%

0.6 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

Usage:

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.. 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; In non-cyanide electroplating, HEDP is used as chelating agent. 

Package: 200L plastic drum, IBC(1000L), and as customers’ requirement.

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