Product Details


DTPMP•Na7(Hepta Sodium Salt Of Diethylene Triamine Penta) (Methylene Phosphonic Acid)

DTPMP•Na7(Hepta Sodium Salt Of Diethylene Triamine Penta) (Methylene Phosphonic Acid) is a colorless, odorless, slightly viscous liquid. It is soluble in water and most organic solvents. It is used as an acid scavenger, corrosion inhibitor, scale inhibitor, and chelating agent in cooling towers, boilers, closed-loop water systems, fire-protection systems, and other industrial processes. It can also be used as a sequestrant in detergents and cleaners. We offer bulk quantities at wholesale prices so you can get the products you need to keep your business running smoothly. Contact us today to learn more!

Product Description

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

Molecular Formula: C9H23O15N3P5Na7

Molecular weight: 727

Structural Formula:



DTPMP•Na7 is a scale inhibitor that is especially effective against barium sulfate and a chelating agent with numerous applications. This inorganic compound can also be used as a stabilizer for peroxide bleaching. It may be deployed in industrial and municipal cleaning water, terrestrial heat water, or oilfields where water quality is of particular concern.


 AppearanceUmber transparent liquid
 Active content (DTPMPA)% >31.5-33.524.0-26.0
Active content (DTPMPANa7)%40.0-42.530.5-33.0
Total phosphoric acid(PO43-)% 25.9-27.919.7-21.7
Chloride ( as Cl-) %5.0 5.0
Fe,mg/L20 20
PH(1% water solution) 7.0-9.0 7.0-9.0
Density (20℃) g/cm3 1.34-1.441.24-1.34

DTPMP•Na7 Package and Storage:

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

Safety Protection:

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

Get the Complete Phosphonates solution.


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