Package: 200L plastic drum,IBC(1000L),customers’ requirement.

Uses : PBTC is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred.

Molecular Structure:

Product description: 2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTC) CAS No. 37971-36-1 Molecular Formula: C7H11O9P Molecular weight: 270.13 Structural Formula: 2-Phosphonobutane -1,2,4-Tricarboxylic Acid(PBTC) Properties: PBTC has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy. Specification: Items Index Appearance Clear, colorless to pale yellow aqueous solution Active acid % 50.0 min Phosphorous acid(as PO33-)% 0.5 max Phosphoric acid(as PO43-)% 0.2 max Density (20℃) g/cm3 1.27 min pH(1% water solution) 1.5~2.0 Fe, mg/L 10.0 max Chloride mg/L 10.0 max Color APHA (Hazen) 20.0 max