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ATMP
CAS No: 6419-19-8
Product Name: Amino Trimethylene Phosphonic Acid
Other Name:
ATMP
ATMPA
AMP
Amino Trimethylene Phosphonic Acid
Amino Tri(Methylene Phosphonic Acid)
Tris(Methylene Phosphonic Acid) Amine
Nitrilotrimethylphosphonic Acid(NTP)
Nitrilotrimethylenetris(Phosphonic Acid)
Physical Properties:
Density: 2.1±0.1 g/cm3
Boiling Point: 746.2±70.0 °C at 760 mmHg
Melting Point: ~215 °C (dec.)
Molecular Formula: C3H12NO9P3
Molecular Weight: 299.050
Flash Point: 405.1±35.7 °C
Exact Mass: 298.972504
PSA: 205.26000
LogP: -4.63
Vapour Pressure: 0.0±5.4 mmHg at 25°C
Index of Refraction: 1.610
Stability: Stable. Incompatible with bases, strong oxidizing agents.
Specification:
Appearance: White crystal powder
Active acid %: 95.0 min
Chloride (as Cl)%: 1.0 max
pH (1% water solution): 2.0 max
Fe, mg/L: 20.0 max
Application:
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.
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:
ATMP liquid: 200L plastic drum,IBC(1000L),customers' requirement.
ATMP solid: 25kg/bag, customers' requirement.
Storage for ten months in shady room and dry place.
Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.
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