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Disodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2)

  • Origin: China
  • Location: China Shandong province
  • Supply Type: oem service
  • Processing Time: within 1 week
  • Min Order: 5

Supplier Info.

  • Location China Shandong province
  • Employees Total 101-200
  • Annual Revenue US$10 Million - US$50 Million

CAS No. 7417-83-7 CubleK2012 Dequest: 2016BD

Molecular Formula: C2H6O7P2Na2 Molecular weight: 250

Structural Formula:

Properties:

HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, it can dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250℃, it is stable under high pH value, not easy to be hydrolyzed, not easy to be decomposed under normal light and heat condition, its acid/alkaline and chloride oxidation tolerance are better than that of other organophosph-onic acids. HEDP•Na2 can form six-ring chelating compounds with metal ions in water system, Ca2+ in particular. HEDP•Na2 has good scale inhibition effects and obvious dissolution threshold effects. When used with other Water Treatment Chemicals, the synergistic effects is better.

Specification:

items

index

Appearance

Colorless to light yellow transparent liquid

White powder

Active component(HEDP)%

16.5 min

74.0-79.0

Active component(HEDP•Na2)%

20.0 min

89.8 min

density(20℃)g/cm3

1.12-1.22

--

Fe ppm

--

35 max

Phosphorous acid(PO33-计)%

--

3 max

Dry weight loss,%

--

3-6

PH (1% water solution)

4.0-6.0

4.0-6.0

Usage:

HEDP•Na2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na2 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na2 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na2 is used as chelating agent.

Package and Storage:

For liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place. .

Safety Protection:

Weak acidity, Avoid contact with eye and skin, once contacted, flush with water. 

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