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Tetra Sodium Salt of Amino Trimethylene Phosphonic Acid (ATMP·Na4)

Tetra Sodium Salt of Amino Trimethylene Phosphonic Acid (ATMP·Na4)

Alias: Tetrasodium Amino Tri(methylene phosphonate)

CAS No.: 20592-85-2

Molecular Formula: C3H8NO9P3Na4

Relative Molecular Mass: 387

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Alias: Tetrasodium Amino Tri(methylene phosphonate)

CAS No.: 20592-85-2

Molecular Formula: C3H8NO9P3Na4

Relative Molecular Mass: 387

Structural Formula:

Tetra Sodium Salt of Amino Trimethylene Phosphonic Acid (ATMP·Na4)


1· Performance and Applications


ATMP·Na4 is the neutral sodium salt of ATMP, which can prevent the formation of scaling salts in water, especially calcium carbonate scale.

ATMP·Na4 is suitable for circulating cooling water of thermal power plants and oil refineries, oilfield reinjection water systems, and scale inhibitor for reverse osmosis membranes.

ATMP·Na4 also has good compatibility with other additives. It is especially suitable for neutral to acidic formulations without ammonia odor generation.


2· Technical Specifications


HG/T 4328-2012 HG/T 4328-2012
Item Index
Appearance Colorless to light yellow transparent liquid
Active Component (as ATMP) % ≥30.0
Active Component (as ATMP·Na4) % ≥38.8
Chloride (as Cl-) % ≤1.0
Iron (as Fe2+) Content mg/L ≤10.0
Density (20℃) g/cm3 1.35-1.45
pH Value (1% Aqueous Solution) 6.0-8.0




3· Usage Method


ATMP·Na4 is formulated with other organophosphonic acids, polycarboxylic acids or polycarboxylates into organic alkaline water treatment agents for circulating cooling water systems under various water quality conditions.




4· Packaging and Storage


ATMP·Na4 is packed in plastic drums, Standard capacities: 25kg, 250kg, 1250kg (IBC tank).Note: Packaging weight can be adjusted according to customer requirements. Store in a cool indoor place. The shelf life is twelve months.


5· Safety Protection


ATMP·Na4 is neutral. Pay attention to labor protection during operation. Avoid contact with skin, eyes, etc. In case of contact, rinse immediately with plenty of clean water.

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Shandong Prio New Material Technology Co., Ltd. is located in Juye Chemical Industrial Park, Heze, Shandong Province. The company specializes in environmentally friendly water treatment agents, integrating R&D, production, sales, and technical services to deliver one-stop comprehensive water treatment solutions.

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