SEQUESTON ATMPS
GENERAL
Chemical Name Amino Tri-(Methylene Phosphonic Acid) – sodium salt
Chemical Structure N (CH2PO3H2)3 Na4
Abbreviation ATMPS
Molecular Weight 299.0
Appearance Colourless to pale yellow viscous liquid
SPECIFICATIONS
PROPERTIES TYPICAL V ALUE
Active Content (as salt) , % 39.0 – 41.0
pH , 1% solution at 25 oC 6.0 – 7.0
Specific Gravity, at 20 oC 1.30 – 1.45
Iron, ppm 35 max
Chloride, % 1 max
Phosphorous acid, % 3.0 max
Phosphoric acid, % 0.8 max
APPLICATIONS
Scale inhibitors; oil field; cooling water and boiler treatment; industrial cleaners