2-Phosphonobutane-1,2,4-Tricarboxylic acid(PBTCA) CAS No. 37971-36-1 Abbreviation:PBTCA Molecular weight:270 Structural Formula: Specification: items index Appearance Colorless or light yellow transparent liquid Active acid % 50.0 min Phosphorous acid(as PO33-)% 0.8 max Phosphorous acid(as PO43-)% 0.5 max Density (20℃) g/cm3 1.27 min pH(1% solution) 1.5~2.0 APPLICATIONS: It is mainly used as Scale & Corrosion Inhibitor in Cooling, Boiler & Field Water Treatment . Packing: Normally In 250kg net Plastic Drum, IBC's can also be used as required.
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