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| Name︰ | 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP) |
| Model No.︰ | 58-62% |
| Country of Origin︰ | China |
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1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP)
CAS No. :2809-21-4
Molecular fomular: C2H8O7P2
Molecular weight: 206
Specifications:
Appearance: Watrer-white to pale yellow solution
Typical active content: 58.0-62.0%
Specific gravity at (20℃): 1.40-1.48
pH(1% solution): <2
Iron(as Fe): <10ppm
Chlorides (as CL-) : <1.0%
Phosphorous acid (as PO3 3- ) : <1.5.0%
Phosphoric acid (as PO4 3- ) : <0.5%
Ca sequestration mg CaCO3/g : 500 min
Applications：
Scale and corrosion control in cooling water and oilfield water
Scale control in evaporative desalination and reverse osmosis
Sludge modification in boiler water
Stabilization of chemical compounds which are decomposed by trace metals(for example, hydrogen peroxide)
Surface treatment for dairy, metal finishing and industrial operations
Regeneration and cleaning of ion exchange resins
Properties：
It is a multifunctional phosphonate providing all the properties of polyphosphates, phosphate esters, polymers and chelating agents. It is employed as a scale control agent for cooling water treatment, Besides, it can improve corrosion control, or inhibit iron fouling and assist dispersion of solids. It is with the following key functions: Threshold effect Hydrolytic stability; Sequestration Cholorine stability; Crystal growth modification
Package:
250 kg net in PE drum
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