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Scale inhibitor 2-Phosphonobutane-1,2,4-tricarboxylic acid CAS NO 37971-36-1 PBTCA

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Products Details:

 Product Detail
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 and better than other normal organic phosphorus acid, especially under high temperature its antiscale property is far better than that of normal organophosphines.


2, Specification:

items index
Appearance Clear, colorless to pale yellow aqueous solution
Active acid % 50.0
Phosphorous acid(as PO33-)% 0.5
Phosphoric acid(as PO43-)% 0.2
Density (20°C) g/cm3 1.27
pH(1% water solution) 1.5~2.0
Fe ppm 10.0
Chloride ppm 10.0
Turbidity (NTU) 10.0
Color APHA 30.0



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Scale inhibitor, 2-Phosphonobutane-1,2,4-tricarboxylic acid, CAS NO. 37971-36-1, PBTCA