(DTPMP•Na7)Sodium salt of Diethylene Triamine Penta (Methylene Phosphonic Acid) 


CAS No. 22042-96-2 (x-Na) 68155-78-2 (7-Na)

Molecular Formula: C9H21O15N3P5Na7

Molecular weight: 727

Structural Formula:


DTPMP•Na7 is a general-purpose scale inhibitor, powerful sequestrant, and excellent barium sulfate scale inhibitor.DTPMP•Na7 can be used as a stabilizer for peroxide bleaching, detergent auxiliaries, industrial & municipal cleaning water, terrestrial heat water, oilfield water, etc.


Appearance Umber transparent liquid
Active content (DTPMPA)% > 31.5-33.5 24.0-26.0
Active content (DTPMP•Na7)% 40.0-42.5 30.5-33.0
Total phosphoric acid(PO43-)% – 19.7-21.7
Chloride (as Cl) % 5.0 max 5.0 max
Fe, mg/L20.0 max20.0 max
PH(1% water solution) 7.0-9.0 7.0-9.0
Density (20℃) g/cm3 1.25 min 1.24-1.34

Package and Storage:

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

Safety Protection:

Avoid contact with the eye and skin, once contacted, flush with water.




Sample and Inquiry

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