Amino trimethylene phosphonic acidAppearance: Colorless or light yellow transparent liquid, no sedimentation.Active ingredient content(ATMP): 49%-51%Density (20):1.28-1.38g/cm3Chlorinate(as Cl-):1.0%Phosphorous acid:3.0%Iron (Fe+++): 35ppmPH value( 1% water solution): <2.0Packing: N.W. 250kg; G.W.260kg