Amino Tri(methylene phosphonic acid) (ATMP or ATMPA)

Amino-tris(methylene phosphonic acid); Dequest 2000; Nitrilotris(methylphosphonic acid); NTMP; Tris(phosphonomethyl)amine

CAS No.:    6419-19-8
Molecular Weight:     299.05
Molecular Formula:    C₃H₁₂NO₉P₃

Structure:

Application:

Amino Tri(methylene phosphonic acid) (ATMP) is used as scale inhibitor, deflocculant, sequestrant, water stabilizer in cooling water systems. Stabilizer of peroxide in textile industry.

Specification:

Appearance:   Clear, colorless to yellowish solution
Active substances (%):    48.0 - 52.0
Phosphorous acid (as PO₃^3-, %):    3.0 max.
Chloride content (as Cl^-, %):    2.0 max.
Iron content (ppm):    35 max.
pH (1% solution):    1.5 - 2.5
Density (20°C, g/cm³):    1.28 min.
Calcium chelation value (as CaCO₃, mg/g):    350 min.

Standard Packing:

250kg net/200L PE drum

Safety Information:

Amino Tri(methylene phosphonic acid) (ATMP) is corrosive, so avoid contact with eyes and skin. The hazard code is UN 3265