Sodium Salt of Diethylene Triamine Penta (Methylene Phosphonic Acid)
DTPMPA.Na2 or DTPMPA.Nax
(Certified by NSF STANDARD 60 and Passed REACH Pre-registration)
CAS Number: 22042-96-2
Molecular Formula: C9H26N3O15P5Na2 or C9H26N3O15P5Nax
It can inhibit the scale formation of calcium sulfate, calcium carbonate and barium sulfate. Especially on situation of alkali environment (pH 10-11) it has better scale and corrosion inhibition on calcium carbonate.
It can be used as stabilizer for peroxide bleaching, detergent auxiliaries, in industrial & municipal cleaning water, terrestrial heat water, oilfield water, etc.
Dark amber liquid
Active Acid (%)
45.0 - 49.0
PH (1% solution)
2.0 - 3.0
Density at 20°C, g/cm3
1.350 - 1.450
Chloride (as Cl-, %)
Iron, as Fe (ppm)
Package and Storage:
Normally in 200L HDPE drum and 1000L IBC.
Storage for 12 months in room shady and dry place.
Acidity, avoid contact with eye and skin, once contacted, flush with plenty water.