Polyhydric alcohol phosphate ester is a new kind of water treatment chemicals. It has a good scale and corrosion inhibition ability. Because more than one polyethylene glycol group is introduced into the molecular, the scale and corrosion inhibition for calcium scale is improved.

Polyhydric alcohol phosphate ester has a good inhibition effect for barium and strontium scales. It has a good scale inhibition effect for calcium carbonate and calcium sulfate. It can mix well with polycarboxylic acid, organophosphorus acid, phosphate, and zinc salt.

Polyhydric alcohol phosphate ester can be used as a scale inhibitor for oilfield (recommended as alternatives to Nalco Visco 953) and industrial cooling water system.

Structure Formula:

Polyhydric alcohol phosphate ester structure formula


Item Index
Appearance Colorless or light yellow transparent liquid
Solid content, % 50.0 Min.
Total phosphoric acid (PO43-), % 30.0 Min.
Organophosphonic acid(PO43-), % 15.0 Min.
pH Value (1% solution) 2.0-3.0


when used as a scale inhibitor, less than 15mg/L is preferred, when used in a closed circulating system, 150mg/L can be expected.

Packing and Storage:

200L plastic drum, IBC(1000L), customers’ requirement. Storage for ten months in shady room and dry place.

Safety Protection:

Acidity, Avoid contact with eye and skin. Once contacted, flush with water.


PAPE, PAE, Polyol phosphate.


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