ATMP·Kx, Amino Trimethylene Phosphonic Acid Potassium


The equivalent of Dequest 2004A is the partial potassium salt solution of ATMP. ATMP·Kx has better dissolution ability than that of sodium salt. ATMP·Kx can inhibit scale formation, calcium carbonate in particular, in water systems. ATMP·Kx can be used in the oilfield refill water system.

CAS No.:


Molecular Formula:


Structure Formula:

ATMP·Kx structure formula


Item Index
Appearance Colorless or light yellow transparent liquid
Active content (ATMP), % 35.0-40.0
Total phosphoric acid (PO43-), % 34.8-36.8
pH (1% water solution) 2.0-2.5
Density (20℃), g/cm3 1.25-1.35
Fe, mg/L 35 Max.


ATMP·Kx is usually used together with organophosphorus acid, polycarboxylic acid, or salts to form organic alkaline agents. ATMP·Kx can be used in circulating cool water systems in almost all types of water quality.

Packing and Storage:

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

Safety Protection:

Weak acidity, Avoid contact with eye and skin. Once contacted, flush with water.


Dequest 2004A.


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