NS-206: PBTC

CAS No.: [37971-36-1]
Chemical name: 2-Phosphonobutane-1,2,4-tricarboxylic acid
Molecular formula: C7H11O9P
Molecular weight: 270
Specification:

  Appearance: colorless or pale yellow clear solution
Active content (as PBTC): 50.0% min.
Phosphorous (as PO3): 0.5% max.
Phosphate (as PO4): 0.5% max.
PH (1% aqueous solution): 2.0 max.
Density (20°C): 1.25 min.
Iron: 5 ppm max.

Packing: 250 kg drum
Usage:

  When complexed with zinc and put into the cooling water, this product can improve the antiscaling properties of the formula and the anti-corrosion properties in the alkaline systems.