PBTC---water treatment chemical
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water treatment chemical
2-Phosphonobutane -1,2,4-Tricarboxylic Acid
CAS No. 37971-36-1 Dequest 7000
Molecular Formula: C7H11O9P Molecular weight: 270.13
PBTCA 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.
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 (200) g/cm3 1.27 min
pH(1% solution) 1.5~2.0
Package and Storage:
Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place.
Acidity, Avoid contact with eye and skin, once contacted, flush with water.