2-butane phosphate 1,2,4-tricarboxylicMain usage: The product is used as scale and corrosion inhibitor in circulating cooling systems, oilfield water systems, steel plant and gas works, especially suitable to hard water quality conditions of high temperature, high PH, high alkali, high hardness and high concentration. It is compositely applied. Specifications:Appearance: Colorless or pale yellow transparent liquidActive matter content: 49%-51%Density(20):1.27-1.30g/cm3Ortho-phosphoric acid content (PO4):0.2%Viscosity: 15-25mm2/sIron (Fe+++): 5ppmPH value( 1% water solution): 1.5-2.0Chlorinate(as Cl-):10ppm max.Packing: N.W. 250kg; G.W.260kg