DETPMPS
GENERAL
Chemical Name Diethylene Triamine Penta (Methylene Phosphonic Acid) –Sodium salt
Chemical Structure N(CH2PO3H2) [CH2 CH2 N (CH2PO3H2)2 ] 2 Na4
Abbreviation DETPMPS
CAS No. 22042-96-2
Molecular Weight 658.0
Appearance Yellow brown viscous transparent liquid
APPLICATIONS
Scale inhibitors; oil field; cooling water and boiler treatment; industrial cleaners; textiles
SPECIFICATIONS
Properties Typical Value
Active Content (as salt) , % 45.0 min
Active Content (as acid) , % 40.0 min
pH , 1% solution at 25 oC 3 max
Density, g/cm3 at 20 oC 1.35 – 1.45
Iron, ppm 35 max
Chloride, % 4.0 – 6.0
Phosphorous acid, (as H3PO3), % 3.0 max
Calcium sequestration, mg CaCO3/g 450 min.