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Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents
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Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA.K6

CAS No. 53473-28-2 EINECE NO. 258-575-0
Molecular Formula C10H22N2O12P4K6 Molecular Weight 721
Structural Formula

HMDTMPA.K6 Structural Formula

Product Features

HMDTMPA.K6 has high solubility, HMDTMPA.K6 can prevent scale-forming salts in water from forming scale. HMDTMPA.K6 is a good calcium sulfate scale inhibitor, especially suitable for high-alkali and high-pH conditions. HMDTMPA.K6 is particularly suitable for boiler water treatment and reverse osmosis membrane treatment.

Technical Specification

Parameter Standard
Appearance Colorless to yellowish transparent liquid
Active content (as acid), % 21.2-24.6
Active content (as salt), % 31.0-36.0
Total phosphoric acid (as PO43-), % 16.8 min
Chloride (as Cl-), % 4.0 max
Fe, mg/L 35 max
Density (20℃), g/cm3 1.21-1.31
pH (1% water solution) 6.0-8.0

Scale and Corrosion inhibition Performance

CaCO3 inhibition CaSO4 inhibition CaC2O4 inhibition BaSO4 inhibition Iron Control
Poor Very Good Very Good Very Good Yes
Steel corrosion inhibition Calcium Tolerance
Good Poor

Package & Storage

HMDTMPA.K6 Liquid
25L Drum 200L Drum 1000L IBC ISO Tank
Storage for ten months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Safety Precaution

Not regulated

Once contacted with eye and skin, flush with plenty of clean water