DTPMP•Nax belongs to diethylenetriamine pentamethylene phosphonate sodium salt. It is a scale inhibitor, for barium sulfate in particular, and a chelating agent.

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Item Index
Appearance Umber transparent liquid
 Active content (DTPMPA), % 45.0-49.0
Total phosphoric acid (PO43-), % 38.0-40.0
Phosphorous acid (as PO33-), %  5.0 Max.
Chloride (as Cl), %  5.0 Max.
pH Value (1% water solution) 2.0-3.0
Density (20℃), g/cm3 1.37-1.47
Fe, mg/L  20 Max.


DTPMP·Nax can be used as a stabilizer for peroxide bleaching, detergent auxiliaries, industrial & municipal cleaning water, terrestrial heat water, oilfield water, etc.

Packing and Storage:

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

Safety Protection:

Weak acid, avoid contact with eyes and skin. Once contacted, flush with water.


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