Penta Sodium Salt of Amino Tri (Methylene Phosphonic Acid)
(Certified by NSF STANDARD 60 and Passed REACH Pre-registration)
CAS Number: 2235-43-0
Molecular Formula: C3H7NO9P3Na5
Molecular Weight: 409
ATMP.5Na is the salt of ATMP, it can inhibit calcium carbonate particularly in water treatment system . ATMP.5Na can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system . ATMP.5Na is a general low cost scale inhibitor, it has good corrosion inhibition to zinc salt and phosphate, its chelating ability is good as well.
ATMP.5Na is used together with other organophosphonic acid, polycarboxylic acid or salt to form organic alkaline agents. ATMP.5Na can be used in circulating cool water system for all water quality.
Water white to pale yellow liquid
Active Acid (%)
Active Salt (%)
Chloride (as Cl-, %)
10.0 - 11.0
Density at 20°C, g/cm3
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.
Avoid contact with eye and skin, once contacted, flush with plenty water