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Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP·K2)

Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP·K2)

Alias: Dipotassium Hydroxyethylidene Diphosphonate

CAS No.: 21089-06-5

Molecular Formula: C2H6O7P2K2

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Alias: Dipotassium Hydroxyethylidene Diphosphonate

CAS No.: 21089-06-5

Molecular Formula: C2H6O7P2K2

Structural Formula:

Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP·K2)


1· Performance and Applications


HEDP·K2 is the potassium salt of HEDP. Compared with HEDP sodium salt, it has higher solubility under neutral conditions, and is an excellent inhibitor of calcium carbonate scale. HEDP·K2 is mainly used for metal corrosion inhibition, swimming pool antifouling, metal cleaning, container cleaning, iron dirt control, metal pretreatment, low-pressure boiler water treatment and circulating water treatment.


2· Technical Specifications


Item Index
Appearance Colorless to light yellow transparent liquid
Active Component (as HEDP) % 26.0~30.0
Total Phosphorus Content (as PO43-) % 24.7~26.7
pH Value (1% Aqueous Solution) 6.0~8.0
Density (20℃) g·cm-3 1.30~1.40
Fe Content (as Fe) mg·L-1 ≤20.0


3· Packaging and Storage


HEDP·K2 is packed in plastic drums, Standard capacities: 25kg, 250kg, 1250kg (IBC tank).Note: Packaging weight can be adjusted according to customer requirements. Store in a cool indoor place. The shelf life is ten months.


4· Safety Protection


Pay attention to labor protection during operation of HEDP·K2. Avoid contact with skin, eyes, etc. In case of contact, rinse immediately with plenty of clean water.

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Shandong Prio New Material Technology Co., Ltd. is located in Juye Chemical Industrial Park, Heze, Shandong Province. The company specializes in environmentally friendly water treatment agents, integrating R&D, production, sales, and technical services to deliver one-stop comprehensive water treatment solutions.

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