Water Treatment Chemicals, Phosphonates, Polymers, Biocides

Organophosphoric Antiscale and Corrosion Inhibitors, Chelant

Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA•K6

CAS No.  38820-59-6(X-6) 53473-28-2(6-K)

Molecular Formula: C10H22N2O12P4K6         Molecular weight: 721

Structural Formula:

Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA•K6


HMDTMPA•K6 is soluble in water, it is a good scale inhibitor for calcium sulfate, suitable for use in situation of high pH value and high alkaline. HMDTMPA•K6 can be used for water treatment in boiler and RO membrane treatment.


items index
Appearance Colorless to yellowish transparent liquid
Active component (as acid) % 21.2-24.6
Active component (as salt) % 31.0-36.0
chloride (as Cl-)% 4.0 max
Total phosphoric acid (PO43-)% 16.8min
Phosphorous acid (as PO33-),% 2.0max
PH (1% water solution) 6.0-8.0
Density (20℃)g/cm3 1.21-1.31
Fe,mg/L 35 max

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. storage for ten month 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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