... chain, and of course, with competitive prices 2-Phosphonobutane-1,2,4-Tricarboxylic Acid(PBTCA)PBTCACAS No.: 37971-36-1Dequest: 7000Molecular ... of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and ... .0minPhosphorous acid (as PO33-) %0.5maxPhosphoric acid (as PO43- ) %0.5maxDensity (20°C) g/cm31.25minPH (1% water solution)2.0 ...