Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

[CAS] 7414-82-7 CubleK2012 Solid Dequest 2016BD

Molecular Formula : C2H6O7P2Na2

Molecular Weight:250

1, Properties and usage:

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 obvision dissolution threshold effects.When used with other Water Treatment Chemicals,the synergistic effects is better.

2, Specification:

3, Application range & using method

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 .

4, Package and Storage

For liquid:Normally In 25kg net Plastic Drum , IBC drum can also be used as required . Storage for ten months in room shady and dry place .

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

5, Safety Protection

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

7414-83-7