Water Treatment Chemicals, Phosphonates, Polymers, Biocides

Organophosphoric Antiscale and Corrosion Inhibitors, Chelant

Potassium salt of 1-Hydroxy Ethylidene-1,1-
Diphosphonic Acid (HEDP•Kx)

CAS No.  67953-76-8

Molecular Formula:   C2H8-xO7P2Kx 



Equivalent of dequest 2014 is the potassium salt of equivalent of dequest 2010, HEDP•kx has better dissolution ability than that of sodium salt under neutral condition. HEDP•Kx 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.


items index
Appearance Colorless to yellowish transparent liquid
Active content(HEDP)% 26.0-30.0
Total phosphoric acid (as PO43-) % 24.7-26.7
pH value(1% water solution) 6.0-8.0
Density (20℃) g/cm3 1.30-1.40
Fe,mg/L 20 max

Package and Storage:

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



Shandong IRO Water Treatment Co., Ltd.

Office Address: 2802, 1st Building, No.19 Zhangzhou 2nd Rd, Qingdao, China
Factory Address: Qicun Town, Shizhong, Zaozhuang, Shandong, China
Tel: +86-532-85027466 Fax: +86 532 85028486
Email: info@irowater.com

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