Properties and Usage:
HEDP.K2 is the potassium salt of HEDP, HEDP.K2 has better dissolution ability than that of sodium salt under neutral condition. HEDP.K2 is a good scale inhibitor for calcium carbonate, it can be used in metal corrosion inhibitor, antifouling agent of swimming pool, metal cleaning, volume cleaning, iron dust controlling, metal pretreatment, low pressure boiler water treatment and circulating water treatment, etc.


Item Index
Appearance Colorless to yellowish transparent liquid
Active content (HEDP) % 27.0-30.0
Total phosphoric acid (PO43-) % 25.0-27.0
Density (20℃) g/cm3 1.30-1.40
pH (1% water solution) 6.0-8.0

Package and Storage:
200L plastic drum, IBC (1000L), customers’ requirement. Storage for ten months in shady room and dry place.

(1-hydroxyethylidene)bisphosphonic acid; potassium salt

Potassium salt of 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP.K2)
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