HMDTMPA K6 2019-11-01T11:39:43+00:00

Project Description

HMDTMPA K6 (Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) )

CAS No.: 38820-59-6 (X-6) 53473-28-2 (6-K)
Molecular Formula: C10H22N2O12P4K6
Molecular Weight: 721

Structural Formula:


HMDTMPA·K6is soluble in water, it is a good scale inhibitor for calcium sulfate, suitable for use in the situation of high pH value and high alkaline. HMDTMPA·K6 can be used for water treatment in boiler and RO membrane treatment.


AppearanceColorless 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-)%16.8 min
Phosphorous acid (as PO33-)%2.0 max
pH (1% water solution)6.0 – 8.0
Density (20°C) g/cm31.21 – 1.31
Fe, mg/L35 max

Package and Storage:

200L plastic drum, IBC (1000L), as customers’ requirement.

Storage for ten months in a shady room and dry place.