ATMP pentasodium

ATMP pentasodium

  • Description

Product Name :ATMP pentasodium

Chemical Name : pentasodium hydrogen C,C

CAS No : 2235-43-0

Details :

ATMP pentasodium  (ATMP.Na5)

Penta sodium salt of Amino Trimethylene Phosphonic Acid (ATMPNa5)

CAS No. 20592-85-2 (x-Na), 2235-43-0 (5-Na)

Molecular Formula:  C3H7NO9P3Na5                   

Molecular weight: 409



ATMPNa5 is the salt of ATMP, it can inhibit calcium carbonate particularly in water treatment system . ATMPNa5 can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system . ATMPNa5 is a general low cost scale inhibitor, it has good corrosion inhibition to zinc salt and phosphate, its chelating ability is good as well.


items index
Appearance Colorless or light yellow transparent liquid
Active content (ATMP)% 27.8-30.7
Active content (ATMP.Na5) % 38.0-42.0
Total phosphoric acid(PO43-) % 26.6-28.6
Chloride (Cl-) % 1.0 max
PH (1% water solution) 10.0-11.0
Fe(Fe3+)ppm 20 max
Density (20°C) g/cm3 1.38-1.48


ATMP.Na5 is used together with other organophosphonic acid, polycarboxylic acid or salt to form organic alkaline agents. ATMPNa5 can be used in circulating cool water system for all water quality.

Package and Storage:

Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

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