Amino Trimethylene Phosphonic Acid (ATMP)
CAS No.: 6419-19-8
Molecular Formula: N(CH2PO3H2)3
Molecular weight: 299.05
Properties of ATMP:
ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. ATMP 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, ATMP 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, ATMP can be used in woven & dyeing industries and as metal surface treatment agent.
Specification of ATMP :
Appearance Colorless or light yellow transparent liquid White crystal powder
Active acid % 48.0-52.0 95 min
Chloride (as Cl-)% 2.0(or1.0) min 1.0 min
pH value（1％ solution） 2.0 max 2.0 max
Fe (as Fe3+) (ppm) 20 20
Density （20℃）g/cm3 1.33 min —
Colour APHA (Hazen) 40 max —
Usage of ATMP:
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 of ATMP :
ATMP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Storage for ten months in room shady and dry place.
Safety Protection of ATMP:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Key words:ATMP,ATMP.Na,ATMP.Na4,ATMP.Na5,ATMP liquid,ATMP powder
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