Amino Trimethylene Phosphonic Acid(ATMP)

CAS NO.:6419-19-8
Molecular formula:C3H12NO9P3
Moleclar weight:299.05
Apearance:Colorless to pale yellow aqueous solution

1）50% liquid :
Active acid: % 50%min;
ATMP %:40%min;
Phosphorous acid (as PO33-)%：3.5 max；
Phosphoric acid (asPO43- )% ：0.8 max；
Chloride (as Cl-)%：1.0max；
pH value（1％ solution）：2.0 max；

Fe (as Fe2+) (ppm)： 20;
Density （20℃）g/cm3:1.3 min;
Colour APHA (Hazen):125max

2)95%powder
Active acid %: 95 min;
ATMP %: 85 min;
Phosphorous acid (as PO33-)%: 4.0 max;
Phosphoric acid (asPO43- )%：0.8max；
Chloride (as Cl-)%：1.0max;
pH value（1％ solution）:2.0max;
Fe (as Fe2+) (ppm):20.0max;

It is mainly used as Scale & Corrosion Inhibitor, Peroxide Stabilizer in Cooling and Boiler Water Treatment, Textile Dying etc