YingLong—ATMP 50%/ CAS NO: 6419-19-8/ATMP 50 Water Treatment Chemicals Amino Trimethylene Phosphonic Acid

Classification Water treatment agent
CAS No 6419-19-8
EINECS No 229-146-5, 220-552-8
Purity ATMP 50%, 60% /90%
MF N(CH2PO3H2)3, C2H8O7P2
Color Colorless or light yellow transparent liquid
ClassificationWater treatment agent
CAS No6419-19-8
EINECS No229-146-5, 220-552-8
PurityATMP 50%, 60% /90%
MFN(CH2PO3H2)3, C2H8O7P2
ColorColorless or light yellow transparent liquid


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 and Dosage

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.

Packing and Storage

ATMP liquid: Normally 250kg or 550LBS net in drum, 1000kg or 2700LBS net in IBC, or per customers. 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

Acidity, Avoid contact with eye and skin, once contacted, flush with water immediately.

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