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What Is Amino Trimethylene Phosphonic Acid

ATMP or amino trimethylene phosphonic acid is a phosphonic acid with chemical formula N(CH₂PO₃H₂)₃. It has chelating properties. It can be synthesized from the Mannich-type reaction of ammonia, formaldehyde, and phosphorous acid

What Is The Application About ATMP

ATMP ,also called amino trimethylene phosphonic acid is broadly applied in recirculated cooling water systems for power station, oil field, central air-conditioning etc. It is also used in woven and dyeing industry. As antiscalant and chelating agent, the recommended dosage is 1-20mg/l. This will increase to 20-60mg/l if used as corrosion inhibitor.

Why Choose IRO ATMP

IRO Group Inc. is a professional amino trimethylene phosphonic acid manufactuer and distributor specialized in Chemicals, devoting to offer the one-stop integrated solution to global chemical purchasers.

Amino Trimethylene Phosphonic Acid (ATMP)

CAS No.  6419-19-8
Molecular Formula:   N(CH2PO3H2)3 
Molecular weight:  299.05
Properties:
ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition.
ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. ATMP can decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent.
The solid state of ATMP is crystal powder, soluble in water, easily deliquescence, suitable for usage in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent.
Specification:
Items Index
Standard Solid
Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder
Active acid % 50.0 min 95.0 min
Chloride (as Cl-)% 1.0 max 1.0 max
pH (1% water solution) 2.0 max 2.0 max
Fe, mg/L 10.0 max 20.0 max
Density (20℃)g/cm3 1.30 min
Colour APHA (Hazen) 30.0 max
Usage:
ATMP is usually used together with organophosphoric acid, polycarboxylic acid and salt to built all organic alkaline water treatment agent. ATMP can be used in many different circulating cool water system. The dosage of 1-20mg/L is recommended. As corrosion inhibitor, the dosage of 20-60mg/L is preferred.
Package and Storage:
200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in the shady room and dry place.
Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.

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