ATMP Na4, Amino Trimethylene Phosphonic Acid Tetrasodium


ATMP·Na4 is the tetrasodium salt of ATMP. ATMP·4Na can inhibit the scale formation of calcium carbonate in water systems. ATMP·Na4 can be used in circulating cool systems in power plants, oil refinery plants, and oilfield refill water systems. ATMP·Na4 has good synergistic effects with other additives. In neutral to acidic conditions, no ammonia smell is let off.

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Molecular Formula:


Molecular Weight:


Structure Formula:

ATMP·4Na structure formula


AppearanceColorless or light yellow transparent liquid
Active content (ATMP), %29.4-32.4
Active content (ATMP·Na4), %38.0-42.0
pH (1% water solution)6.5-7.5
Density (20℃), g/cm31.35-1.45
Fe, mg/L35 Max.


ATMP·Na4 is used together with other organophosphorus acids, polycarboxylic acid, or salt to form organic alkaline agents. It is used in circulating cool water systems for all water quality.

Packing and Storage:

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

200l plastic drum 1000l IBC


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